1. School of Nursing, Fujian Medical University, Fuzhou, China
2. Department of Anesthesia, Massachusetts General Hospital, Boston, MA, USA
3. Department of Cardiothoracic Surgery, Nanjing General Hospital, Fuzhou, China
4. Department of Neurosurgery, Second Affiliated Hospital of Harbin Medical University, Harbin, China
5. Xiangya School of Nursing, Central South University, Changsha, China
6. Department of Nursing, Thoracic Surgery Department, The Second Xiangya Hospital of Central South University, Changsha, China