1. Department of Emergency Surgery, ShenZhen People’s Hospital, 2nd Clinical Medical College of Jinan University, Shenzhen, Guangdong Province, China, 518020
2. Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114, USA
3. Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095-6902, USA