1. Department of Medical Genetics, School of Basic Medicine Sciences, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
2. Department of Orthopedic Surgery, Southern Medical University, Nanfang Hospital, Guangzhou, Guangdong 510515, P.R. China
3. Department of Neurology, First Affiliated Hospital, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
4. Department of Clinical Laboratory, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong 510630, P.R. China