1. Department of Nursing, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
2. School of Nursing, Taipei Medical University, Taipei, Taiwan
3. Graduate Institute of Health Care, College of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan
4. Division of Gastroenterology and Hepatology, Department of Internal Medicine, New Taipei Municipal TuCheng Hospital, New Taipei City, Taiwan
5. Division of Gastroenterology and Hepatology, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
6. Chang Gung University College of Medicine, Taoyuan, Taiwan
7. Graduate Institute of Clinical Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
8. Chang Gung University of Science and Technology, Taoyuan, Taiwan
9. Department of Nursing, Taipei Medical University Hospital, Taipei, Taiwan
10. Department of Psychiatry and Sleep Center, Taipei Medical University Hospital, Taipei, Taiwan
11. Research Center of Sleep Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
12. Graduate Institute of Nursing- Linkou Campus, Chang Gung University of Science and Technology, Taoyuan, Taiwan.