About the Authors

Taehoon Lee

Contributed equally to this work with: Taehoon Lee, Jinhee Kim, Sujeong Kim

‡ These authors are first authors on this work.

Affiliations Department of Allergy and Clinical Immunology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea, Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea

Jinhee Kim

Contributed equally to this work with: Taehoon Lee, Jinhee Kim, Sujeong Kim

‡ These authors are first authors on this work.

Affiliations National Evidence-based Healthcare Collaborating Agency, Seoul, Korea, Department of Nursing, College of Medicine, Chosun University, Gwangju, Korea

Sujeong Kim

Contributed equally to this work with: Taehoon Lee, Jinhee Kim, Sujeong Kim

‡ These authors are first authors on this work.

Affiliations Department of Allergy and Clinical Immunology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea, Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea

Kyoungjoo Kim

Affiliation National Evidence-based Healthcare Collaborating Agency, Seoul, Korea

Yunjin Park

Affiliation Department of Statistics, Dongguk University, Seoul, Korea

Yuri Kim

Affiliation National Evidence-based Healthcare Collaborating Agency, Seoul, Korea

Yoon Su Lee

Affiliation Department of Allergy and Clinical Immunology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea

Hyouk-Soo Kwon

Affiliation Department of Allergy and Clinical Immunology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea

Sae-Hoon Kim

Affiliation Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea

Yoon-Seok Chang

Affiliation Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea

You Sook Cho

Affiliation Department of Allergy and Clinical Immunology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea

An-Soo Jang

Affiliation Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea

Jung-Won Park

Affiliation Department of Internal Medicine, College of Medicine, Yonsei University, Seoul, Korea

Dong-Ho Nahm

Affiliation Department of Internal Medicine, College of Medicine, Ajou University, Suwon, Korea

Ho-Joo Yoon

Affiliation Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, Korea

Sang-Heon Cho

Affiliation Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea

Young-Joo Cho

Affiliation Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Korea

Byoung Whui Choi

Affiliation Department of Internal Medicine, College of Medicine, Chung-Ang University, Seoul, Korea

Hee-Bom Moon

allergy@medimail.co.kr (T-BK); hbmoon@amc.seoul.kr (H-BM)

These authors also contributed equally to this work.

Affiliation Department of Allergy and Clinical Immunology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea

Tae-Bum Kim

allergy@medimail.co.kr (T-BK); hbmoon@amc.seoul.kr (H-BM)

These authors also contributed equally to this work.

Affiliation Department of Allergy and Clinical Immunology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea

for the COREA study group

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: T-BK. Analyzed the data: TL JK SK KK YP YK YSL H-SK S-HK Y-SC YSC A-SJ J-WP D-HN H-JY S-HC Y-JC BWC H-BM T-BK. Wrote the paper: TL JK SK T-BK.