1. Xiangya School of Public Health, Central South University, Changsha, Hunan, China (mainland)
2. Xiangya Nursing School, Central South University, Changsha, Hunan, China (mainland)
3. Orthopedics Department, Sixth Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China (mainland)
4. Department of Organ Transplantation, Xiangya Hospital, Central South University, Changsha, Hunan, China (mainland)