1. Department of Internal Medicine, Kangdong Sacred Heart HospitalHallym University College of Medicine Seoul South Korea
2. Institute for Liver and Digestive DiseasesHallym University Chuncheon South Korea
3. Department of Biomedical InformaticsAjou University School of Medicine Suwon South Korea
4. Department of Internal MedicineHanyang University Guri Hospital, Hanyang University College of Medicine Guri South Korea
5. Department of Internal Medicine, Samsung Medical CenterSungkyunkwan University School of Medicine Seoul South Korea
6. Department of Neurology, Kangdong Sacred Heart HospitalHallym University College of Medicine Seoul South Korea
7. Department of Epidemiology, School of Public HealthSeoul National University Seoul South Korea