1. Department of Orthopedics, Meizhou People's Hospital, Meizhou, Guangdong 514000, P.R. China
2. Department of Cardiovascular Medicine, Meizhou People's Hospital, Meizhou, Guangdong 514000, P.R. China
3. Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China