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1Department of Preventive Medicine, Hanyang university College of Medicine, Seoul, Korea
2Department of Internal Medicine and AIDS Research Institute, Yonsei University College of Medicine, Seoul, Korea
3Division of Infectious Disease, Department of Internal Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
4Division of Viral Disease Research, Center for Infectious Diseases Research, Korea, National Institute of Health, Cheongju, Korea
5Division of Infectious Diseases, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
6Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea
7Center for Infectious Diseases Research, Korea National Institute of Health, Cheongju, Korea
8Department of Preventive Medicine, Dong-A University College of Medicine, Busan, Korea
9Department of Internal Medicine, Inha University College of Medicine, Incheon, Korea
10Center for Immunology and Pathology, Cheongju, Korea
11Department of Nursing, Hanyang University School of Nursing, Seoul, Korea
12Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
13Department of Infectious Diseases, University of Ulsan College of Medicine, Seoul, Korea
©2018, Korean Society of Epidemiology
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