1. Department of Environmental Health, Korea National Open University, Seoul, Korea.
2. Department of Environmental Health, Harvard Chan School of Public Health, Boston, MA, USA.
3. Department of Environmental Health, Graduate School of Public Health, Seoul National University, Seoul, Korea.
4. Environment and Labor Division, National Assembly Research Service, Seoul, Korea.
5. Milano Poison Center and Clinical Pharmacology, Milano, Italy.
6. Department of Occupational and Environmental Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.
7. Department of Occupational and Environmental Medicine, Soonchunhyang University Gumi Hospital, School of Medicine, Soonchunhyang University, Gumi, Korea.