1. Department of Stomatology, Urumqi Stomatological Hospital , No. 196 Zhongshan Road, Tianshan District, Xinjiang Uygur Autonomous Region , Urumqi , China
2. Center for STD/AIDS Control and Prevention, Xinjiang Uygur Autonomous Regional Center for Disease Control and Prevention, Xinjiang Uygur Autonomous Region , Urumqi , China
3. The Oncological Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Xinjiang Medical University, Xinjiang Uygur Autonomous Region , Urumqi , China