1. Department of Foot and Ankle Surgery, Yantaishan Hospital, Yantai, China
2. Department of Orthopedics, Friendship Hospital, Beijing, China
3. Department of Radiology, Yantaishan Hospital, Yantai, China
4. Department of Joint Surgery, Yantaishan Hospital, Yantai, China
5. Department of Pathology, Yantaishan Hospital, Yantai, China