1. General Medicine Department, the First Affiliated Hospital of Soochow University, Suzhou, China
2. School of Nursing, Faculty of Medicine of Soochow University, Suzhou, China
3. Infection department ICU, the First Affiliated Hospital of Soochow University, Suzhou, China
4. Thoracic Surgery, the First Affiliated Hospital of Soochow University, Suzhou, China
5. Nursing Department, the First Affiliated Hospital of Soochow University, Suzhou, China
6. Nursing Department, North District of Suzhou Municipal Hospital, Suzhou, China
7. Nursing Department, Second Affiliated Hospital of Soochow University, Suzhou, China