1. 1Department of Pediatric Dentistry, Oral Health, Preventive Dentistry, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, People's Republic of China.
2. Department of Orthodontics, West China School of Stomatology at Sichuan University, Chengdu, People's Republic of China.
3. Medical Psychology Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, People's Republic of China.
4. School of Public Health, Xinjiang Medical University, Urumqi, People's Republic of China.
5. Department of Acupuncture, Xinjiang Uygur Autonomous Region People's Hospital, Urumqi, People's Republic of China.
6. Department of Prosthodontics, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, People's Republic of China.
7. Department of Stomatology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, People's Republic of China.