1. School of Nursing, College of Medicine, National Taiwan University, Taipei, Taiwan
2. Cancer Center, Hsinchu Mackay Memorial Hospital, Hsinchu, Taiwan
3. Department of Nursing, National Taiwan University Hospital, Taipei, Taiwan
4. Department of Neurology, Hsinchu Mackay Memorial Hospital, Hsinchu, Taiwan
5. Institute of Biochemistry, Microbiology, and Immunology, Chung Shan Medical University, Taichung, Taiwan