1. School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan, R.O.C.
2. Institute of Toxicology, College of Medicine, National Taiwan University, Taipei 100, Taiwan, R.O.C.
3. Integration Center of Traditional Chinese and Modern Medicine, Hualien Tzu Chi Hospital, Hualien 970, Taiwan, R.O.C.
4. Department of Emergency, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung 427, Taiwan, R.O.C.
5. Department of Otolaryngology, Far Eastern Memorial Hospital, New Taipei City 220, Taiwan, R.O.C.
6. Department of Urology, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan 330, Taiwan, R.O.C.
7. Department of Public Health, China Medical University, Taichung 404, Taiwan, R.O.C.
8. Department of Otorhinolaryngology, Head and Neck Surgery, Changhua Christian Hospital, Changhua 500, Taiwan, R.O.C.