1. Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, South Korea
2. Environmental Health Center, Seoul National University College of Medicine, Seoul, South Korea
3. Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, South Korea
4. Department of Food and Nutrition, Kyung Hee University, Seoul, South Korea
5. Division of Children and Adolescent Psychiatry, Department of Psychiatry, Seoul National University Hospital, Seoul, South Korea
6. Department of Pediatrics, Seoul National University Children’s Hospital, Seoul, South Korea
7. Department of Psychiatry, Hanyang University Medical Center, Seoul, Republic of Korea