1. Division of Pulmonology and Allergy, Department of Internal Medicine, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon, Korea.
2. Division of Allergy and Clinical Immunology, Department of Internal Medicine, Kangwon National University School of Medicine, Chuncheon, Korea.
3. The Way HealthCare R&D, Seoul, Korea.
4. Samkwang Medical Laboratories, Seoul, Korea.
5. Diagnostics R&D team, Specialty Care Division, LG Chem, Seoul, Korea.
6. Division of Allergy, Department of Internal Medicine, Inje University Ilsan Paik Hospital, Goyang, Korea.