1. Department of Pediatrics, Kyung Hee University Medical Center, Seoul 02447, Republic of Korea
2. Department of Pediatrics, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju 61469, Republic of Korea
3. Department of Pediatrics, Hallym University Kangnam Sacred Heart Hospital, Seoul 07441, Republic of Korea
4. Department of Computer Science and Engineering, Konkuk University, Seoul 05029, Republic of Korea
5. Department of Pediatrics, Bundang CHA Medical Center, CHA University School of Medicine, 59, Yatap-ro, Seongnam 13496, Republic of Korea
6. Department of Pediatrics, Hallym University Kangdong Sacred Heart Hospital, Seoul 05355, Republic of Korea
7. Department of Pediatrics, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul 05278, Republic of Korea
8. Department of Pediatrics, Yeouido St. Mary’s Hospital, The Catholic University of Korea, Seoul 07345, Republic of Korea