*Corresponding author
So-Yeon Lee MD, PhD.
Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier
Disinfectant Health Center, Asan Medical Center, University of Ulsan
College of Medicine
Address : Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul
05505, Republic of Korea
Tel: +82-2-3010-3389; E-mail :imipenem@hanmail.net