1. School of Nursing, Dali University, Dali, People’s Republic of China
2. Cardiothoracic surgery, The Second People’s Hospital of Yibin, Yibin, People’s Republic of China
3. School of Nursing, Fudan University, Shanghai, People’s Republic of China
4. Department of Oncology, The First Affiliated Hospital of Dali University, Dali, People’s Republic of China
5. Thyroid and breast surgery, The First Affiliated Hospital of Air Force Medical University, Xian, People’s Republic of China
6. School of Health Science and Technology, West Yunnan University of Applied Technology, Dali, People’s Republic of China