1 Departement Pediatrics, Gyeongsang National University of Hospital, Jinju, South Korea; Gyeongsang National University College of Medicine, Institute of Health Science, Jinju, South Korea.
2 Department of Laboratory Medicine & Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea.
3 Departement Pediatrics, Gyeongsang National University of Hospital, Jinju, South Korea; Gyeongsang National University College of Medicine, Institute of Health Science, Jinju, South Korea. Electronic address: espark@gnu.ac.k.