Japan Radiological Society Japanese Society of Medical Imaging Technology (JAMIT) THE JAPANESE SOCIETY OF NUCLEAR MEDICINE Japanese Society of Magnetic Resonance in Medicine (JSMRM) The Japan Society of Ultrasonics in Medicine The Japanese Society for Therapeutic Radiology and Oncology(JASTRO) Japanese Association of Medical Informatics Atomic Energy Society of Japan Japanese Sciety of Radiation Safety Management（JRSM) Japan Industries Association of Radiological Systems(JIRA） NUclear Safety TEchnology Center Japan Radioisotope Association National Institute of Radiological Sciences Metz's ROC Software Users Group The Japan Association of Radiological Technologists(JART) RSNA International Society for Magnetic Resonance in Medicine(ISMRM) The society of Nuclear Medicine(SNM) ASTRO Physics in Medicine Medical Physics(AAPM) The National Library of Medicine Electronic Library Service (NACSIS-ELS)