1. Institute of Occupational Medicine and Industrial Hygiene; National Taiwan University; Taipei Taiwan
2. Department of Environmental and Occupational Medicine; College of Medicine; National Taiwan University (NTU) and NTU Hospital; Taipei Taiwan
3. National Institute of Environmental Health Sciences; National Health Research Institutes; Miaoli Taiwan
4. Institute of Health Policy and Management; National Taiwan University; Taipei Taiwan
5. Department of Pediatrics; Chi Mei Hospital; Tainan Taiwan