1. Department of Nursing, Tzu Chi College of Technology, Hualien City, Taiwan 97041
2. Department of Internal Medicine, E-Da Hospital and I-Shou University, Kaohsiung County, Taiwan 82401
3. Institute of Basic Medical Sciences and Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan City, Taiwan 70101
4. Department of Psychosomatic Internal Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima City 890-8520, Japan
5. Department of Medical Research and Department of Neurology, Chi-Mei Medical Center, Yong Kang City, Tainan County, Taiwan 73101