1. Department
of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai 210040, People’s Republic of China
2. Department of Gastroenterology, Shanghai First People’s
Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, People’s Republic of China
3. Department of Orthopedics, Shanghai Sixth People’s
Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200233, People’s Republic of China
4. Department of Plastic and Reconstructive Surgery, Shanghai
Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, People’s Republic of China
5. Instituto de Ciencia de Materiales
de Aragón (ICMA-CSIC), Universidad de Zaragoza, 50009 Zaragoza, Spain