1. Division of Chest Medicine, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813414, Taiwan
2. School of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung 804201, Taiwan
3. Department of Nursing, Shu-Zen Junior College of Medicine and Management, Kaohsiung 821004, Taiwan
4. School of Nursing, Fooyin University, Kaohsiung 831301, Taiwan
5. Department of Obstetrics and Gynecology, Taipei Veterans General Hospital, Taipei 112201, Taiwan
6. Department of Obstetrics and Gynecology, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
7. Department of Nurse-Midwifery and Women Health, National Taipei University of Nursing and Health Sciences, Taipei 112303, Taiwan
8. Medical Intensive Unit, Department of Critical Care Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813414, Taiwan
9. Institute of Anatomy and Cell Biology, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
10. Trauma Center, Department of Surgery, Veterans General Hospital, Taipei 112201, Taiwan
11. Department of Critical Care Medicine, Veterans General Hospital, Taipei 112201, Taiwan
12. Department of Anatomy and Cell Biology, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan