1. Department of Preventive Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
2. Division of Cardiology, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
3. Cheong-yang Branch Office of the Community Health Center, Cheongyang, Korea
4. Medical Library, The Catholic University of Korea, Seoul, Korea
5. Catholic High-Performance Cell Therapy Center & Department of Medical Life Science, College of Medicine, The Catholic University of Korea, Seoul, Korea