1. Shenzhen Futian hospital for Rheumatic diseases, Futian District, #22 Nonglin Road, Shenzhen 518040, Guangdong, China
2. Department of Orthopedics, the Eighth Affiliated Hospital of Sun Yat-sen University, Futian District, #3025Shennanzhong Road, Shenzhen 518040, Guangdong, China