1. Department of Pediatrics, Soonchunhyang University Gumi Hospital, Gumi, Korea.
2. Division of Allergy, Asthma, and Clinical Immunology, Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Korea.
3. Department of Pulmonology, Allergy and Critical Care Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea.
4. Department of Dermatology, Chungnam National University Sejong Hospital, Chungnam National University College of Medicine, Sejong, Korea.
5. Department of Dermatology, Seoul National University Bundang Hospital, Seongnam, Korea.
6. Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea.
7. Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea.
8. Department of Pediatrics, Soonchunhyang University Hospital, Seoul, Korea.
9. Department of Pediatrics, Jangheung Integrative Medical Hospital, Wonkwang University School of Medicine, Jangheung, Korea.
10. Department of Pediatrics, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea.
11. PHI Digital Healthcare, Seoul, Korea.
12. Department of Dermatology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
13. Department of Pediatrics, Seoul Medical Center, Seoul, Korea.
14. Department of Dermatology, Inje University Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea.
15. Department of Dermatology, Yonsei University Wonju College of Medicine, Wonju, Korea.
16. Department of Pediatrics, Inje University Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea.