1. Dental Department and Division of Oral and Maxillofacial Surgery, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei 23142, Taiwan, R.O.C.
2. Cathay Medical Research Institute, Cathay General Hospital, New Taipei 22174, Taiwan, R.O.C.
3. The First Affiliated Hospital, Department of Pharmacy, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, P.R. China