default search action
Ken Masamune
Person information
Refine list
refinements active!
zoomed in on ?? of ?? records
view refined list in
export refined list as
2020 – today
- 2023
- [j19]Tomoko Yamaguchi, Atsushi Kuwano, Toshihiko Koyama, Jun Okamoto, Shigeyuki Suzuki, Hideki Okuda, Taiichi Saito, Ken Masamune, Yoshihiro Muragaki:
Construction of brain area risk map for decision making using surgical navigation and motor evoked potential monitoring information. Int. J. Comput. Assist. Radiol. Surg. 18(2): 269-278 (2023) - [j18]Taro Koguchi, Funika Shimizu, Tomohiro Nagame, Yuka Goto, Hikaru Iwasaki, Akihiko Hanafusa, Motoki Takagi, Shahrol Mohamaddan, Kenichi Nomura, Yoshihiro Muragaki, Hiroshi Iseki, Ken Masamune, Toyohisa Akitaya:
Surgery assistance system for continuous resection of brain tumors-proposal of continuous tumor resection forceps, tumor cell separation, dehydration, and isolation mechanism. Int. J. Comput. Assist. Radiol. Surg. 18(5): 877-885 (2023) - 2021
- [j17]Shohei Fukui, Toshikazu Kawai, Yuji Nishizawa, Atsushi Nishikawa, Tatsuo Nakamura, Noriyasu Iwamoto, Yuki Horise, Ken Masamune:
Locally operated assistant manipulators with selectable connection system for robotically assisted laparoscopic solo surgery. Int. J. Comput. Assist. Radiol. Surg. 16(4): 683-693 (2021) - [j16]Kazufumi Suzuki, Satoru Morita, Kenji Endo, Takahiro Yamamoto, Shuhei Fujii, Jun Ohya, Ken Masamune, Shuji Sakai:
Learning effectiveness of using augmented reality technology in central venous access procedure: an experiment using phantom and head-mounted display. Int. J. Comput. Assist. Radiol. Surg. 16(6): 1069-1074 (2021) - 2020
- [c51]Mutsuki Ohara, Sohta Sanpei, Chanjin Seo, Jun Ohya, Ken Masamune, Hiroshi Nagahashi, Yuji Morimoto, Manabu Harada:
Developing Thermal Endoscope for Endoscopic Photothermal Therapy for Peritoneal Dissemination. IROS 2020: 3040-3047
2010 – 2019
- 2019
- [j15]Manabu Tamura, Ikuma Sato, Takashi Maruyama, Kazuma Ohshima, Jean-François Mangin, Masayuki Nitta, Taiichi Saito, Hiroyuki Yamada, Shinji Minami, Ken Masamune, Takakazu Kawamata, Hiroshi Iseki, Yoshihiro Muragaki:
Integrated datasets of normalized brain with functional localization using intra-operative electrical stimulation. Int. J. Comput. Assist. Radiol. Surg. 14(12): 2109-2122 (2019) - [j14]Johann Berger, Max Rockstroh, Erik Schreiber, Yukishige Yoshida, Jun Okamoto, Ken Masamune, Yoshihiro Muragaki, Thomas Neumuth:
GATOR: connecting integrated operating room solutions based on the IEEE 11073 SDC and ORiN standards. Int. J. Comput. Assist. Radiol. Surg. 14(12): 2233-2243 (2019) - [c50]Hiroki Fujie, Keiju Hirata, Takahiro Horigome, Hiroshi Nagahashi, Jun Ohya, Manabu Tamura, Ken Masamune, Yoshihiro Muragaki:
Detecting and Tracking Surgical Tools for Recognizing Phases of the Awake Brain Tumor Removal Surgery. ICPRAM 2019: 190-199 - [c49]Tomohiro Nagai, Ikuma Sato, Yuichi Fujino, Manabu Tamura, Yoshihiro Muragaki, Ken Masamune:
Surgical Process Identification System using Machine Learning in Awake Surgery for Brain Tumor. LifeTech 2019: 100-101 - [c48]XiaoShuai Chen, Ryosuke Shirai, Ken Masamune, Manabu Tamura, Yoshihiro Muragaki, Atsushi Konno:
Presenting a Simple Method of Brain Shift Estimation for Neuronavigations and Considering its Practicality. SII 2019: 112-117 - 2018
- [c47]Kaori Kusuda, Kazuhiko Yamashita, Yoshitomo Ito, Kiyohito Tanaka, Ken Masamune, Yoshihiro Muragaki:
Clinical Trial of Information Acquisition System for Surgical Instruments in Digital Operation Room. OR 2.0/CARE/CLIP/ISIC@MICCAI 2018: 78-84 - 2015
- [j13]Hideyuki Suenaga, Huy Hoang Tran, Hongen Liao, Ken Masamune, Takeyoshi Dohi, Kazuto Hoshi, Tsuyoshi Takato:
Vision-based markerless registration using stereo vision and an augmented reality surgical navigation system: a pilot study. BMC Medical Imaging 15: 51 (2015) - [j12]Kohei Miki, Ken Masamune:
High-resolution small field-of-view magnetic resonance image acquisition system using a small planar coil and a pneumatic manipulator in an open MRI scanner. Int. J. Comput. Assist. Radiol. Surg. 10(10): 1687-1697 (2015) - 2014
- [j11]Siyang Zuo, Kazuo Iijima, Takahiro Tokumiya, Ken Masamune:
Variable stiffness outer sheath with "Dragon skin" structure and negative pneumatic shape-locking mechanism. Int. J. Comput. Assist. Radiol. Surg. 9(5): 857-865 (2014) - [c46]Kohei Miki, Ken Masamune:
Robotic Device for Acquisition of Wide and High Resolution MRI Image Using a Small RF Coil. IPCAI 2014: 51-60 - 2013
- [j10]Hiroki Kamiuchi, Ken Masamune, Kenta Kuwana, Takeyoshi Dohi, Keri Kim, Hiromasa Yamashita, Toshio Chiba:
A beam-splitter-type 3-D endoscope for front view and front-diagonal view images. Int. J. Comput. Assist. Radiol. Surg. 8(1): 111-120 (2013) - [c45]Kenta Kuwana, A. Nakai, Ken Masamune, Takeyoshi Dohi:
A grasping forceps with a triaxial MEMS tactile sensor for quantification of stresses on organs. EMBC 2013: 4490-4493 - [e1]Hongen Liao, Cristian A. Linte, Ken Masamune, Terry M. Peters, Guoyan Zheng:
Augmented Reality Environments for Medical Imaging and Computer-Assisted Interventions - 6th International Workshop, MIAR 2013 and 8th International Workshop, AE-CAI 2013, Held in Conjunction with MICCAI 2013, Nagoya, Japan, September 22, 2013. Proceedings. Lecture Notes in Computer Science 8090, Springer 2013, ISBN 978-3-642-40842-7 [contents] - 2012
- [j9]Abbi Hamed, Sai Chun Tang, Hongliang Ren, Alexander Squires, Chris Payne, Ken Masamune, Guoyi Tang, Javad Mohammadpour, Zion Tsz Ho Tse:
Advances in Haptics, Tactile Sensing, and Manipulation for Robot-Assisted Minimally Invasive Surgery, Noninvasive Surgery, and Diagnosis. J. Robotics 2012: 412816:1-412816:14 (2012) - [j8]Hiroyuki Sajima, Hiroki Kamiuchi, Kenta Kuwana, Takeyoshi Dohi, Ken Masamune:
MR-Safe Pneumatic Rotation Stepping Actuator. J. Robotics Mechatronics 24(5): 820-827 (2012) - [c44]Tetsuya Horiuchi, Eser Erdem Tuna, Ken Masamune, Murat Cenk Cavusoglu:
Heart motion measurement with three dimensional sonomicrometry and acceleration sensing. IROS 2012: 4143-4149 - [c43]Siyang Zuo, Takeshi Ohdaira, Kenta Kuwana, Yoshihiro Nagao, Satoshi Ieiri, Makoto Hashizume, Takeyoshi Dohi, Ken Masamune:
Developing Essential Rigid-Flexible Outer Sheath to Enable Novel Multi-piercing Surgery. MICCAI (1) 2012: 26-33 - 2011
- [c42]Siyang Zuo, Ken Masamune, Kenta Kuwana, Takeyoshi Dohi:
Nonmetallic Guide Sheath with Negative Pressure Shapelocking Mechanism for Minimally Invasive Image-Guided Surgery. ACCAS 2011: 1-9 - [c41]Tomoya Tsuruyama, Noriaki Yamanaka, Kenta Kuwana, Ken Masamune, Keri Kim, Takeyoshi Dohi:
Polarizing Beam Splitter Endoscope for Simultaneously Observing Front and Lateral View. ACCAS 2011: 29-37 - [c40]Tetsuya Horiuchi, Ken Masamune, Hiroyuki Tsukihara, Noboru Motomura, Kenta Kuwana, Takeyoshi Dohi:
Clipping Device with a Clear Liquid-Flushing Endoscope Equipping Wide View Coaxial Nozzle for Edge-to-Edge Repair Surgery without Heart-Lung Machine. ACCAS 2011: 38-46 - [c39]Noriaki Yamanaka, Ken Masamune, Kenta Kuwana, Hiromasa Yamashita, Toshio Chiba, Takeyoshi Dohi:
A Laser Steering Endoscope with High Laser Transmission Efficiency. ACCAS 2011: 65-74 - [c38]Takehito Teraguchi, Kenta Kuwana, Ken Masamune, Takeyoshi Dohi, Susumu Nakajima, Hongen Liao:
Adaptive Rendering Method for Low Resolution Auto-stereoscopic 3-D Medical Images. ACCAS 2011: 144-154 - [c37]Huy Hoang Tran, Hideyuki Suenaga, Kenta Kuwana, Ken Masamune, Takeyoshi Dohi, Susumu Nakajima, Hongen Liao:
Augmented Reality System for Oral Surgery Using 3D Auto Stereoscopic Visualization. MICCAI (1) 2011: 81-88 - [c36]Siyang Zuo, Ken Masamune, Kenta Kuwana, Morimasa Tomikawa, Satoshi Ieiri, Takeshi Ohdaira, Makoto Hashizume, Takeyoshi Dohi:
Nonmetallic Rigid-Flexible Outer Sheath with Pneumatic Shapelocking Mechanism and Double Curvature Structure. MICCAI (1) 2011: 169-177 - [c35]Huy Hoang Tran, Kenta Kuwana, Hongen Liao, Ken Masamune, Takeyoshi Dohi, Susumu Nakajima:
An image restoration method for extracting features from three-dimensional auto-stereoscopic integral photography images. SIGGRAPH Posters 2011: 28 - 2010
- [j7]Hongen Liao, Hirotaka Ishihara, Huy Hoang Tran, Ken Masamune, Ichiro Sakuma, Takeyoshi Dohi:
Precision-guided surgical navigation system using laser guidance and 3D autostereoscopic image overlay. Comput. Medical Imaging Graph. 34(1): 46-54 (2010)
2000 – 2009
- 2009
- [j6]Huy Hoang Tran, Kiyoshi Matsumiya, Ken Masamune, Ichiro Sakuma, Takeyoshi Dohi, Hongen Liao:
Interactive 3D Navigation System for Image-guided Surgery. Int. J. Virtual Real. 8(1): 9-16 (2009) - [c34]Noriaki Yamanaka, Hiromasa Yamashita, Ken Masamune, Hongen Liao, Toshio Chiba, Takeyoshi Dohi:
A Coaxial Laser Endoscope with Arbitrary Spots in Endoscopic View for Fetal Surgery. MICCAI (1) 2009: 83-90 - [c33]Hiromasa Yamashita, Siyang Zuo, Ken Masamune, Hongen Liao, Takeyoshi Dohi:
Nonmagnetic Rigid and Flexible Outer Sheath with Pneumatic Interlocking Mechanism for Minimally Invasive Surgical Approach. MICCAI (1) 2009: 418-425 - [c32]Ken Masamune, Tetsuya Horiuchi, Masahiro Mizutani, Hiromasa Yamashita, Hiroyuki Tsukihara, Noboru Motomura, Shin-ichi Takamoto, Hongen Liao, Takeyoshi Dohi:
Novel Endoscope System with Plasma Flushing for Off-Pump Cardiac Surgery. MICCAI (1) 2009: 451-458 - [c31]Takehito Teraguchi, Hiromasa Yamashita, Ken Masamune, Takeyoshi Dohi, Hongen Liao:
Three-dimensional auto-stereoscopic animated image with a long viewing distance using high-precision image correction. SIGGRAPH Posters 2009 - 2008
- [j5]Ali Gooya, Hongen Liao, Kiyoshi Matsumiya, Ken Masamune, Yoshitaka Masutani, Takeyoshi Dohi:
A Variational Method for Geometric Regularization of Vascular Segmentation in Medical Images. IEEE Trans. Image Process. 17(8): 1295-1312 (2008) - [c30]Siyang Zuo, Noriaki Yamanaka, Ikuma Sato, Ken Masamune, Hongen Liao, Kiyoshi Matsumiya, Takeyoshi Dohi:
MRI-Compatible Rigid and Flexible Outer Sheath Device with Pneumatic Locking Mechanism for Minimally Invasive Surgery. MIAR 2008: 210-219 - [c29]Noriaki Yamanaka, Hiromasa Yamashita, Kiyoshi Matsumiya, Hongen Liao, Ken Masamune, Toshio Chiba, Takeyoshi Dohi:
Surgical Manipulator with Balloon for Stabilizing Fetus in Utero under Ultrasound Guidance. MIAR 2008: 260-269 - [c28]Nicholas Herlambang, Hongen Liao, Kiyoshi Matsumiya, Ken Masamune, Takeyoshi Dohi:
Real-Time Autostereoscopic Visualization of Registration-Generated 4D MR Image of Beating Heart. MIAR 2008: 349-358 - [c27]Hongen Liao, Hirotaka Ishihara, Huy Hoang Tran, Ken Masamune, Ichiro Sakuma, Takeyoshi Dohi:
Fusion of Laser Guidance and 3-D Autostereoscopic Image Overlay for Precision-Guided Surgery. MIAR 2008: 367-376 - [c26]Ken Masamune, Ikuma Sato, Hongen Liao, Takeyoshi Dohi:
Non-metal Slice Image Overlay Display System Used Inside the Open Type MRI. MIAR 2008: 385-392 - 2007
- [c25]Ali Gooya, Hongen Liao, Kiyoshi Matsumiya, Ken Masamune, Takeyoshi Dohi:
Effective Statistical Edge Integration Using a Flux Maximizing Scheme for Volumetric Vascular Segmentation in MRA. IPMI 2007: 86-97 - [c24]Hongen Liao, Kazuhisa Yoshimura, Tomoki Utsugida, Kiyoshi Matsumiya, Ken Masamune, Takeyoshi Dohi:
Surgical manipulator with linkage mechanism for anterior cruciate ligament reconstruction. IROS 2007: 1266-1271 - [c23]Noriaki Yamanaka, Kiyoshi Matsumiya, Ken Masamune, Takeyoshi Dohi, Hiromasa Yamashita, Toshio Chiba, Hongen Liao:
Balloon-based manipulator with multiple linkages for intrauterine surgery. IROS 2007: 1278-1283 - [c22]Kitaro Yoshimitsu, Fujio Miyawaki, Teruyoshi Sadahiro, Kentaro Ohnuma, Yasuhiro Fukui, Daijo Hashimoto, Ken Masamune:
Development and evaluation of the second version of scrub nurse robot (SNR) for endoscopic and laparoscopic surgery. IROS 2007: 2288-2294 - [c21]Ali Gooya, Hongen Liao, Kiyoshi Matsumiya, Ken Masamune, Takeyoshi Dohi:
A Shape Induced Anisotropic Flowfor Volumetric Vascular Segmentation in MRA. ISBI 2007: 664-667 - [c20]Nicholas Herlambang, Hongen Liao, Kiyoshi Matsumiya, Ken Masamune, Takeyoshi Dohi:
Physically Accurate B-Spline Based Non-Rigid Registration Using Variable Spring Model. ISBI 2007: 748-751 - [c19]Teruyoshi Sadahiro, Mitsumasa Hamazaki, Fujio Miyawaki, Kitaro Yoshimitsu, Ken Masamune:
Laparoscopic skill measurement with COP to realize a HAM Scrub Nurse Robot system. SMC 2007: 2983-2988 - 2006
- [c18]Ali Gooya, Hongen Liao, Kiyoshi Matsumiya, Ken Masamune, Takeyoshi Dohi:
Pulsative Flow Segmentation in MRA Image Series by AR Modeling and EM Algorithm. MIAR 2006: 356-363 - [c17]Hongen Liao, Hirokazu Suzuki, Kiyoshi Matsumiya, Ken Masamune, Takeyoshi Dohi, Toshio Chiba:
Fetus Support Manipulator with Flexible Balloon-Based Stabilizer for Endoscopic Intrauterine Surgery. MICCAI (1) 2006: 412-419 - [c16]Junichi Tokuda, Shigehiro Morikawa, Hasnine A. Haque, Tetsuji Tsukamoto, Kiyoshi Matsumiya, Hongen Liao, Ken Masamune, Takeyoshi Dohi:
New 4-D Imaging for Real-Time Intraoperative MRI: Adaptive 4-D Scan. MICCAI (1) 2006: 454-461 - [c15]Akihiko Yagi, Kiyoshi Matsumiya, Ken Masamune, Hongen Liao, Takeyoshi Dohi:
Rigid-Flexible Outer Sheath Model Using Slider Linkage Locking Mechanism and Air Pressure for Endoscopic Surgery. MICCAI (1) 2006: 503-510 - [c14]Hongen Liao, Yosuke Ito, Kiyoshi Matsumiya, Ken Masamune, Takeyoshi Dohi:
Object based image rendering and synthesis for computer generated integral videography. SIGGRAPH Research Posters 2006: 123 - 2005
- [j4]Gabor Fichtinger, Anton Deguet, Ken Masamune, Emese Balogh, Gregory S. Fischer, Hervé Mathieu, Russell H. Taylor, S. James Zinreich, Laura M. Fayad:
Image overlay guidance for needle insertion in CT scanner. IEEE Trans. Biomed. Eng. 52(8): 1415-1424 (2005) - [j3]Fujio Miyawaki, Ken Masamune, Satoshi Suzuki, Kitaro Yoshimitsu, Juri Vain:
Scrub nurse robot system-intraoperative motion analysis of a scrub nurse and timed-automata-based model for surgery. IEEE Trans. Ind. Electron. 52(5): 1227-1235 (2005) - 2004
- [c13]Gabor Fichtinger, Anton Deguet, Ken Masamune, Emese Balogh, Gregory S. Fischer, Hervé Mathieu, Russell H. Taylor, Laura M. Fayad, S. James Zinreich:
Needle Insertion in CT Scanner with Image Overlay - Cadaver Studies. MICCAI (2) 2004: 795-803 - [c12]Hiroaki Naganou, Hiroshi Iseki, Ken Masamune:
MRI Compatible Modular Designed Robot for Interventional Navigation - Prototype Development and Evaluation. MICCAI (2) 2004: 1069-1070 - 2002
- [c11]Ken Masamune, Gabor Fichtinger, Anton Deguet, Daisuke Matsuka, Russell H. Taylor:
An Image Overlay System with Enhanced Reality for Percutaneous Therapy Performed Inside CT Scanner. MICCAI (2) 2002: 77-84 - [c10]Nobuhiko Miyata, Etsuko Kobayashi, Daeyoung Kim, Ken Masamune, Ichiro Sakuma, Naoki Yahagi, Takayuki Tsuji, Hiroshi Inada, Takeyoshi Dohi, Hiroshi Iseki, Kintomo Takakura:
Micro-grasping Forceps Manipulator for MR-Guided Neurosurgery. MICCAI (1) 2002: 107-113 - 2001
- [c9]Ken Masamune, Takafumi Inagaki, Nobuharu Takai, Ichiro Sakuma, Takeyoshi Dohi:
MRI compatible manipulator: image distortion estimation and correction method. CARS 2001: 1249-1250 - 2000
- [c8]Ken Masamune, Yoshitaka Masutani, Susumu Nakajima, Ichiro Sakuma, Takeyoshi Dohi, Hiroshi Iseki, Kintomo Takakura:
Three-Dimensional Slice Image Overlay System with Accurate Depth Perception for Surgery. MICCAI 2000: 395-402 - [c7]Susumu Nakajima, Sumihisa Orita, Ken Masamune, Ichiro Sakuma, Takeyoshi Dohi, Kozo Nakamura:
Surgical Navigation System with Intuitive Three-Dimensional Display. MICCAI 2000: 403-411 - [c6]Ryoichi Nakamura, Etsuko Kobayashi, Ken Masamune, Ichiro Sakuma, Takeyoshi Dohi, Naoki Yahagi, Takayuki Tsuji, Daijo Hashimoto, Mitsuo Shimada, Makoto Hashizume:
Multi-DOF Forceps Manipulator System for Laparoscopic Surgery. MICCAI 2000: 653-660 - [c5]Etsuko Kobayashi, Ken Masamune, Ichiro Sakuma, Takeyoshi Dohi:
A Wide-Angle View Endoscope System Using Wedge Prisms. MICCAI 2000: 661-668
1990 – 1999
- 1998
- [j2]Makoto Suzuki, Ken Masamune, Lin-Jong Ji, Takeyoshi Dohi, Hideo Yano:
Development of a robot arm controlled by force sensors as a walking aid for elderly. Robotica 16(5): 537-542 (1998) - [c4]Etsuko Kobayashi, Ken Masamune, Takeyoshi Dohi, Daijo Hashimoto:
A New Laparoscope Manipulator with an Optical Zoom. MICCAI 1998: 207-214 - [c3]Ken Masamune, L. H. Ji, Makoto Suzuki, Takeyoshi Dohi, Hiroshi Iseki, Kintomo Takakura:
A Newly Developed Stereotactic Robot with Detachable Drive for Neurosurgery. MICCAI 1998: 215-222 - 1996
- [c2]Yoshitaka Masutani, Ken Masamune, Takeyoshi Dohi:
Region-Growing Based Feature Extraction Algorithm for Tree-Like Objects. VBC 1996: 161-171 - 1995
- [j1]Ken Masamune, Marcel Sonderegger, Hiroshi Iseki, Kintomo Takakura, Makoto Suzuki, Takeyoshi Dohi:
Robots for stereotactic neurosurgery. Adv. Robotics 10(4): 391-401 (1995) - [c1]Yoshitaka Masutani, Ken Masamune, Makoto Suzuki, Takeyoshi Dohi, Hiroshi Iseki, Kintomo Takakura:
Computer Aided Surgery (CAS) System for Stereotactic Neurosurgery. CVRMed 1995: 247-251
Coauthor Index
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.
Unpaywalled article links
Add open access links from to the list of external document links (if available).
Privacy notice: By enabling the option above, your browser will contact the API of unpaywall.org to load hyperlinks to open access articles. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Unpaywall privacy policy.
Archived links via Wayback Machine
For web page which are no longer available, try to retrieve content from the of the Internet Archive (if available).
Privacy notice: By enabling the option above, your browser will contact the API of archive.org to check for archived content of web pages that are no longer available. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Internet Archive privacy policy.
Reference lists
Add a list of references from , , and to record detail pages.
load references from crossref.org and opencitations.net
Privacy notice: By enabling the option above, your browser will contact the APIs of crossref.org, opencitations.net, and semanticscholar.org to load article reference information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Crossref privacy policy and the OpenCitations privacy policy, as well as the AI2 Privacy Policy covering Semantic Scholar.
Citation data
Add a list of citing articles from and to record detail pages.
load citations from opencitations.net
Privacy notice: By enabling the option above, your browser will contact the API of opencitations.net and semanticscholar.org to load citation information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the OpenCitations privacy policy as well as the AI2 Privacy Policy covering Semantic Scholar.
OpenAlex data
Load additional information about publications from .
Privacy notice: By enabling the option above, your browser will contact the API of openalex.org to load additional information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the information given by OpenAlex.
last updated on 2024-04-24 22:54 CEST by the dblp team
all metadata released as open data under CC0 1.0 license
see also: Terms of Use | Privacy Policy | Imprint