1. Department of Physiology and Pathophysiology; Center for Salivary Gland Diseases of Peking University School and Hospital of Stomatology; Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education; Peking University Health Science Center; Beijing China
2. Central Laboratory; Peking University School and Hospital of Stomatology; Beijing China
3. Department of Oral and Maxillofacial Surgery; Peking University School and Hospital of Stomatology; Beijing China
4. Department of Oral Medicine and Traditional Chinese Medicine; Peking University School and Hospital of Stomatology; Beijing China