1. School of Nursing Chengdu University of Traditional Chinese Medicine Chengdu China
2. School of Clinical Medicine Sichuan College of Traditional Chinese Medicine Mianyang China
3. School of Stomatology Shanxi Medical University Taiyuan China
4. Nursing research center Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China Chengdu China
5. Chengdu Fifth People's Hospital Chengdu China