Corresponding Author

Soo-Jong Hong

Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505 Republic of Korea

Correspondence

Soo-Jong Hong, MD, PhD, Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea

E-mail: sjhong@amc.seoul.kr

Contribution: Conceptualization (lead), Funding acquisition (lead), Project administration (lead), Resources (lead), Supervision (lead), Writing - review & editing (lead)