1. Department of Pediatrics, Kosin University Gospel Hospital, Kosin University College of Medicine, Busan, Korea
2. Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu, Korea
3. Crohn’s and Colitis Association in Daegu-Gyeongbuk (CCAiD), Daegu, Korea
4. Department of Pediatrics, Pusan National University Yangsan Hospital, Pusan National University College of Medicine, Yangsan, Korea
5. Department of Pediatrics, Yeungnam University School of Medicine, Daegu, Korea
6. Department of Pediatrics, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea
7. Department of Pediatrics, Gyeongsang National University Hospital, Jinju, Korea
8. Department of Pediatrics, Gyeongsang National University Changwon Hospital, Changwon, Korea
9. Department of Pediatrics, Keimyung University School of Medicine, Daegu, Korea
10. Department of Pediatrics, Daegu Catholic University School of Medicine, Daegu, Korea
11. Department of Internal Medicine, Daegu Catholic University School of Medicine, Daegu, Korea