Affiliation: | 1. Department of Health Policy and Management, College of Health Science, Korea University, BK21 FOUR R&E Center for Learning Health Systems, Korea University, Seongbuk-gu, Seoul, Republic of Korea;2. Richard A. and Susan F. Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA;3. Department of Health Administration and Policy, College of Health and Human Services, George Mason University, Fairfax, Virginia, USA |