1Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Boramae Medical Center, Seoul, Korea
2Heart Research Institute, Cardiovascular-Arrhythmia Center, College of Medicine, Chung-Ang University Hospital, Seoul, Korea
3Department of Biostatistics, Seoul National University College of Medicine, Seoul National University Boramae Medical Center, Seoul, Korea
4Department of Internal Medicine, Korea University College of Medicine, Korea University Anam Hospital, Seoul, Korea
5Department of Internal Medicine, Chonnam National University College of Medicine, Chonnam National University Hospital, Gwangju, Korea
6Department of Internal Medicine, Gachon University College of Medicine, Gachon Medical School Gil Medical Center, Incheon, Korea
7Department of Internal Medicine, Hallym University College of Medicine, Hallym University Medical Center, Chuncheon, Korea
8Department of Internal Medicine, Ewha Womans University College of Medicine, Ewha Womans University Hospital, Seoul, Korea.
Address correspondence to: Myung-A Kim, MD, PhD, Department of Internal Medicine, Seoul National University College of Medicine, Seoul National University Boramae Medical Center, 39 Boramae-gil, Dongjak-gu, Seoul 07061, Korea. E-mail: [email protected]
Received 28 January, 2019
Revised 10 April, 2019
Accepted 10 April, 2019
J.H.C. and H.-L.K. contributed to this work equally.
Funding/support: None reported.
Financial disclosures/conflicts of interest: None reported.
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