1. Department of Respiratory and Intensive Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
2. Department of Psychosomatics, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
3. Department of Endocrinology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
4. School of Nursing, Southwest Medical University, Luzhou, Sichuan, China
5. Department of Nursing, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China