1. Institute of Stomatology and Oral Maxilla Facial Key Laboratory, First Medical Center of Chinese PLA General Hospital, Beijing, China.
2. Department of Stomatology, Fifth Medical Center of Chinese PLA General Hospital, Beijing, China.
3. Medical School of Chinese PLA, Beijing, China.
4. Traditional Chinese Medicine Physiotherapy Department, Yantai Special Service Rehabilitation Center of the Chinese People Armed Police Force, Yantai, China.
5. The Second Department of Naval Recuperation, First District of Recuperation, Yantai Special Service Rehabilitation Center of the Chinese People Armed Police Force, Yantai, China.
6. Reception Office, First District of Recuperation, Yantai Special Service Rehabilitation Center of the Chinese People Armed Police Force, Yantai, China.