1. Department of Pediatrics, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Republic of China.
2. Department of Pediatrics, Chi-Mei Medical Center, Liou-Yin Campus, Tainan, Taiwan, Republic of China.
3. Department of Nursing, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Republic of China.
4. Department of Medical Informatics, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Republic of China.
5. Institute of Environmental and Occupation Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Republic of China.
6. Institute of Health Services Management, China Medical University, Taichung, Taiwan, Republic of China.