1. School of Medical and Health Engineering Changzhou University Changzhou China
2. Nanjing Drum Tower Hospital The Affiliated Hospital of Nanjing University Medical School Nanjing China
3. Department of Gastroenterology The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University Changzhou China
4. Nursing Teaching and Research Department The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University Changzhou China