1. Department of Laboratory Medicine & Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
2. Department of Pediatrics, Dankook University College of Medicine, Cheonan, Korea.
3. Cardiovascular Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
4. Department of Laboratory Medicine, Dankook University College of Medicine, Cheonan, Korea.
5. Department of Dermatology, Dankook University College of Medicine, Cheonan, Korea.