1. Department of Pediatrics, CHA Ilsan Medical Center, CHA University, Goyang, Republic of Korea
2. Pediatric Emergency Department, CHA Ilsan Medical Center, CHA University, Goyang, Republic of Korea
3. Department of Pediatrics, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
4. Pediatric Emergency Center, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
5. Seongbok Seoul Asan Pediatric Clinic, Gyeonggi-do, Republic of Korea
6. Department of Pediatrics, Hanyang University Guri Hospital, Hanyang University, Gyeonggi-do, Republic of Korea