1.Tatsuo Yamakawa, Taizo Kimura, Tadashi Matsuda, Fumio Konishi, Yatsusugu Bandai　Endoscopic Surgical Skill Qualification System (ESSQS) of the Japanese Society of Endoscopic Surgery (JSES). BH Surgery. 2013; 3: 6-8

2.Habuchi T, Terachi T, Mimata H, Kondo Y, Kanayama H, Ichikawa T, Nutahara K, Miki T, Ono Y, Baba S, Naito S, Matsuda T. Evaluation of 2,590 urological laparoscopic surgeries undertaken by urological surgeons accredited by an endoscopic surgical skill qualification system in urological laparoscopy in Japan. Surg Endosc. 2012 Jun;26(6):1656-63

3.N Tanigawa, SW Lee, T Kimura, T Mori, I Uyama, E Nomura, J Okuda and F Konishi: The Endoscopic Surgical Skill Qualification System for gastric surgery in Japan. Asian J Endosco Surg. 2011; 4 (3): 112-115

4.Iwanaka T, Morikawa Y, Yamataka A, Nio M, Segawa O, Kawashima H, Sato M, Terakura H, Take H, Hirose R, Yagi M. Skill qualifications in pediatric minimally invasive surgery. Pediatr Surg Int. 2011 Jul;27(7):727-31

5.T Kimura, T Mori, F Konishi and M Kitajima Endoscopic surgical skill qualification system in Japan: Five years of experience in the gastrointestinal field. Asian J Endosc Surg. 2010;3(2):66-70

6.Taizo Kimura, Toshiyuki Mori, Masaki Kitajima　Accreditation System for Laparoscopic Gastroentrologic Surgeons in Japan. in Eldo E. Frezza, Michael Gagner, Michael K. W. Li (eds.) International Principle of Laparoscopic Surgery. pp41-46, Cine-Med, 2010, Connecticut, USA

7.Mori T, Kimura T, Kitajima M. Skill accreditation system for laparoscopic gastroenterologic surgeons in Japan. Minim Invasive Ther Allied Technol. 2010;19(1):18-23

8.Iwanaka T. Technical innovation, standardization, and skill qualification for pediatric minimally invasive surgery in Japan. J Pediatr Surg. 2009 Jan;44(1):36-42

9.Matsuda T, Ono Y, Terachi T, Naito S, Baba S, Miki T, Hirao Y, Okuyama A. The endoscopic surgical skill qualification system in urological laparoscopy: a novel system in Japan. J Urol. 2006 Nov;176(5):2168-72