1. C-H. Hung, PhD, Department of Physical Therapy, College of Medicine, National Cheng Kung University, Tainan, Taiwan, and Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University.
2. P-C. Huang, MS, Department of Physical Therapy, College of Medicine, National Cheng Kung University.
3. J-I. Tzeng, MD, Department of Anesthesiology, Chi-Mei Medical Center, Yong Kang, Tainan, Taiwan.
4. J-J. Wang, MD, PhD, Department of Medical Research, Chi-Mei Medical Center.
5. Y-W. Chen, PhD, Department of Medical Research, Chi-Mei Medical Center, Tainan, Taiwan, and Department of Physical Therapy, College of Health Care, China Medical University, No. 91 Hsueh-Shih Road, Taichung 40402, Taiwan.