Lei Chen

1. Guangzhou Medical College, Guangzhou 510182, Guangdong Province. P.R. China 2. Department of Orthopedics, Second People’s Hospital of Shenzhen,Shenzhen 518035, Guangdong Province. P.R. China 3. Shenzhen key laboratory of tissue engineering,Shenzhen 518035, Guangdong Province. P.R. China, China