1. Department of Pediatrics, Severance Hospital, Institute of Allergy, Institute for Innovation in Digital Healthcare, Yonsei University College of Medicine, Seoul, Korea.
2. Department of Pediatrics, Ajou University School of Medicine, Suwon, Korea.
3. Department of Pediatrics, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
4. Department of Pediatrics, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea.