1. West China School of Nursing, Sichuan University, Chengdu, Sichuan
2. State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan
3. Innovation Center of Nursing Research, West China Hospital, Sichuan University, Chengdu, Sichuan