1. State Key Laboratory of Military Stomatology, Department of General Dentistry and Emergency, School of Stomatology, Air Force Military Medical University, Xi’an, China
2. School of Stomatology of Qingdao University, Qingdao, China
3. Department of Pharmacy, The First Affiliated Hospital of Xi ’an Jiaotong University, Chang’an District Hospital, Xi ’an, China