1. Department of Pediatrics, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea.
2. Department of Physiology, Yeungnam University College of Medicine, Daegu, Korea.
3. Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, Korea.
4. Yeungnam University College of Pharmacy, Gyeongsan, Korea.