1. From the Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
2. Allergy Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
3. Department of Pediatrics, Kosin University Gospel Hospital, Kosin University School of Medicine, Busan, Korea
4. Department of Pediatrics, Chungnam National University Sejong Hospital, Chungnam National University College of Medicine, Sejong, Korea
5. Department of Pediatrics, Chuncheon Sacred Heart Hospital, Hallym University School of Medicine, Chuncheon, Korea
6. Department of Psychology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
7. Department of Pediatrics, Hallym University Dongtan Sacred Heart Hospital, Hallym University School of Medicine, Hwaseong, Korea, and