• Japanese Gastric Cancer Association
  http://www.jgca.jp/
   
• The Japan Society for Transplantation
  http://www.asas.or.jp/jst/
   
• Japanese Society of Hepato-Biliary-Pancreatic Surgery
  http://www.jshbps.jp/
   
• Japan Society of Clinical Oncology
  http://www.jsco.or.jp/
   
• Japan Broncho-Esophagological Society
  http://www.kishoku.gr.jp/
   
• Japanese Association for Acute Medicine
  http://www.jaam.jp/index.htm
   
• The Japanese Association for Thoracic Surgery
  https://www.jpats.org/
   
• Japan Society of Plastic and Reconstructive Surgery
  http://www.jsprs.or.jp/
   
• Japanese College of Surgeons
  http://www.rengojcs.umin.jp/
   
• The Japanese society for Vascular Surgery
  http://www.jsvs.org/
   
• The Japanese Respiratory Society
  https://www.jrs.or.jp/
   
• The Japanese Associatoin for Chest Surgery
  http://www.jacsurg.gr.jp/
   
• Organization of JDDW
  https://www.jddw.jp/
   
• The Japanese Society of Gastroenterological Surgery
  https://www.jsgs.or.jp/
   
• The Japanese Society of Gastroenterology
  https://www.jsge.or.jp/
   
• Japanese Society of Pediatric Surgeons
  http://www.jsps.or.jp/
   
• The Japanese Esophageal Society
  http://www.esophagus.jp/
   
• The Japanese Society for Cardiovascular Surgery
  https://jscvs.or.jp/
   
• The Japan Society of Coloproctology
  https://www.coloproctology.gr.jp/
   
• Japan Society For Head and Neck Surgery
  https://www.jshns.org/
   
• Japan Association of Endocrine Surgeons
  http://jaes.umin.jp/
   
• The Japanese Breast Cancer Society
  https://www.jbcs.gr.jp/
   
• The Japan Neurosurgical Society
  http://jns.umin.ac.jp/
   
• Japanese Society for Abdominal Emergency Medicine
  http://plaza.umin.ac.jp/~jaem/
   
• Japan Society of Anesthesiologists
  http://www.anesth.or.jp/
   
• Japanese Society for Parenteral and Enteral Nutrition Therapy
  http://www.jspen.or.jp/
   
• Japan Surgical Association
  http://www.ringe.jp/
   
• The Japanese Society of Internal Medicine
  https://www.naika.or.jp/
   
• The Japanese Society of Pathology
  http://pathology.or.jp/
   
• Japanese Society of Legal Medicine
  http://www.jslm.jp/
   
• The Japanese Association of Anatomists
  http://www.anatomy.or.jp/
   
• Japanese Society for Quality and Safety in Healthicare
  http://qsh.jp/
   
• The Japanese Society for the Acute Care Sugery
  http://www.jsacs.org/
   
• Japan Trauma Care and Research
  https://www.jtcr-jatec.org/
   
• Surgical Society for Molecular and Cellular Therapy／The Japanese Surgical Society for Gene Therapy
  http://www2.convention.co.jp/jssgt/index.html
   
• Japanese Study Group on Pancreaticobiliary Maljunction
  http://www.jspbm.jp/
   

---

• Hokkaido Surgical Society
  http://www.hokkaidoss.org/
   
• GEKA SHUDANKAI
  http://shudanka.umin.ne.jp/
   
• Kinki Surgical Association
  http://plaza.umin.ac.jp/kinkigek/
   
• Kyushu Associations of Surgery
  http://www.surg1.med.kyushu-u.ac.jp/gakkai/
   

---

• Japanese Board Medical Specialty
  https://jmsb.or.jp/
   
• The Japanese Board of Cardiovascular Society
  http://cvs.umin.jp/
   
• The Japanese Board of General Thoracic Society
  http://chest.umin.jp/
   
• Japanese Board of Cancer Therapy
  http://www.jbct.jp/
   

---

• Ministry of Education, Culture, Sports, Science and Technology
  http://www.mext.go.jp/
   
• The Japanese Medical Science Federation
  http://www.jmsf.or.jp/
   
• The Japanese Association of Medical Sciences
  https://jams.med.or.jp/
   
• The Japanese Association of Medical Sciences e-News
  https://jams.med.or.jp/e-news/index.html
   
• The Japan Medical Association
  https://www.med.or.jp/
   
• Science Council of Japan
  http://www.scj.go.jp/

---

• Japanese Health Insurance Federation for Surgery
  http://www.gaihoren.jp
   
• National Clinical Database（NCD）
  https://www.ncd.or.jp/
  
   
• Japan Association of Women Surgeons
  https://jaws21.info/
   
• Japan Medical Safety Research Organization
  https://www.medsafe.or.jp/
   
• Minds
  http://minds.jcqhc.or.jp/
   
• Japanese Council for Quality Health Care
  http://jcqhc.or.jp/
   
• The Academic Consortium on Emergency Medical Service and Disaster Medical Response Plan during the Tokyo Olympic and Paralympic Games in 2020
  http://2020ac.com/