1. School of Nursing Chongqing Medical University Chongqing PR China
2. School of Nursing The First Affiliated Hospital of Chongqing Medical University Chongqing PR China
3. Department of liver disease Chongqing Hospital of Traditional Chinese Medicine Chongqing PR China
4. Department of infectious disease The First Affiliated Hospital of Chongqing Medical University Chongqing PR China
5. School of Nursing Chongqing Medical and Pharmaceutical College Chongqing PR China