1. Department of Nursing, Landseed Hospital, Pingjhen City 32449, Taiwan
2. Department of Nursing, Hsin Sheng College of Medical Care and Management, Pingjhen City 32462, Taiwan
3. Institute of Traditional Medicine, National Yang-Ming University, Taipei 11221, Taiwan
4. Linsen (Chinese Medicine) Branch, Taipei City Hospital, Taipei 10844, Taiwan
5. Division of Internal Cardiology, Taichung Armed Forces General Hospital, Taichung 41152, Taiwan
6. Basic Medical Science, Centeral Taiwan University of Science and Technology, Taichung 40601, Taiwan
7. Department of Anesthesiology, National Defense Medical Center, Taipei 11490, Taiwan
8. Department of Anesthesiology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
9. College of Nursing, National Taipei University of Nursing and Health Sciences, Taipei 11214, Taiwan