1. Department of Prosthodontics, The First Affiliated Hospital of Xinjiang Medical University, Affiliated Stomatological Hospital of Xinjiang Medical University, and Stomatology Research Institute of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, China (mainland)
2. Department of Ultrasound, General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, China (mainland)
3. Department of Prosthodontics, The First Affiliated Hospital of Xinjiang Medical University, Affiliated Stomatological Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China (mainland)