1. PHI Digital Healthcare Seoul Korea
2. Asan Institute for Life Sciences University of Ulsan College of Medicine Seoul Korea
3. Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center University of Ulsan College of Medicine Seoul Korea
4. Department of Pediatrics, Childhood Respiratory Allergy Center, Humidifier Disinfectant Health Center, Asan Medical Center University of Ulsan College of Medicine Seoul Korea