1. Nursing Department, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
2. Department of Nursing, Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
3. Department of Emergency, Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
4. School of Medicine, Tongji University, Shanghai, China
5. Department of Colorectal Disease, Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China.