1. Department of Pediatrics, College of Medicine, Kaohsiung Chang-Gung Memorial Hospital and Chang-Gung University, Kaohsiung, Taiwan
2. Master program in Aging and Long-term Care, College of Nursing, Kaohsiung Medical University, Kaohsiung, Taiwan
3. Faculty of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan
4. National Institute of Environmental Health Sciences, National Health Research Institute, Miaoli, Taiwan