1. Department of Pharmacy, Severance Hospital, Yonsei University Health System, Seoul, Korea
2. College of Pharmacy, Dongguk University Biomedi Campus, Goyang, Korea
3. Department of Pharmacy and Yonsei Institute of Pharmaceutical Sciences, College of Pharmacy, Yonsei University, Incheon, Korea
4. Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, Korea