^○Hiroyasu Ikegami¹, Kiyohisa Ogawa², Noboru Matsumura³ (1.Department of Orhthopaedic Surgery, Toho University, Japan, 2.Department of Orhthopaedic Surgery, Life Extension General Hospital, 3.Department of Orhthopaedic Surgery, School of Medicine, Keio University)

^○Thomas Quin Throckmorton (University of Tennessee-Campbell Clinic, USA)

^○Alex Lädermann (La Tour Hospital, Switzerland)

^○Philippe Collin (Shoulder surgery, Centre Hospitalier Privé Saint-Grégoire , France)

^○Simon Balster (Melbourne Shoulder Group, Melbourne Orthopedic Group, Australia)