1. Department of Hand Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
2. Division of Plastic & Reconstructive Surgery, Stanford University Medical Center, Palo Alto, California, USA
3. Hand Surgery Department, St Andrew’s Centre for Plastic Surgery, Broomfield Hospital, Chelmsford, Essex, UK
4. Department of Surgery, Dalhousie University, Saint John Regional Hospital, Saint John, New Brunswick, Canada
5. Department of Orthopedics and Trauma, Royal Adelaide Hospital, Adelaide, Australia
6. Department of Orthopaedics, Plastic and Hand Surgery, Hand and Peripheral Nerve Surgery, Inselspital, University of Bern, Switzerland