1. Department of Gastrointestinal Surgery The First Affiliated Hospital of Anhui Medical University Hefei China
2. Department of Nursing The First Affiliated Hospital of Anhui Medical University Hefei China
3. Department of Health Management Center The First Affiliated Hospital of South Anhui Province Medical College Wuhu China
4. Department of Nursing The Third the People's Hospital of Bengbu City Bengbu China
5. Department of Nursing The First People's Hospital of Anqing City Anqing China
6. Department of Nursing People's Hospital of Huangshan City Huangshan China