People's Liberation Army Institute of Orthopedics, Beijing Army General Hospital, Beijing 100700, China;
People's Liberation Army Institute of Orthopedics, Beijing Army General Hospital, Beijing 100700, China;
People's Liberation Army Institute of Orthopedics, Beijing Army General Hospital, Beijing 100700, China;
People's Liberation Army Institute of Orthopedics, Beijing Army General Hospital, Beijing 100700, China;
People's Liberation Army Institute of Orthopedics, Beijing Army General Hospital, Beijing 100700, China;
People's Liberation Army Institute of Orthopedics, Beijing Army General Hospital, Beijing 100700, China;
People's Liberation Army Institute of Orthopedics, Beijing Army General Hospital, Beijing 100700, China;