1. China–Japan Friendship Hospital, Beijing, China
2. The First Affiliated Hospital, Peking University, Beijing, China
3. The First Affiliated Hospital, China Medical University, Shenyang, China
4. The Union Hospital, Huazhong Technology University, Wuhan, China
5. The Second Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
6. The Changhai Hospital, Second Military Medical University, Shanghai, China
7. Tianjin Medical University General Hospital, Tianjin, China
8. Henan Provincial People's Hospital, Henan, China