Adnan Custovic (National Heart and Lung Institute, Imperial College London, UK)

^○Kiwako Yamamoto-Hanada, Yukihiro Ohya (Allergy Center, Medical Research Center for Japan Environment and Children's Study(JECS), National Center for Child Health and Development, Japan)

Soo-Jong Hong (Department of Pediatrics, Childhood Asthma and Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Republic of Korea)