Institution: | 1. Department of Stomatology of the General Air Force Hospital, Beijing 100142, China 2. Department of Paediatric Dentistry, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi 710032, China 3. State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu 210038, China 4. Institute of Stomatology, Chinese PLA General Hospital, Beijing 100853, China |