[1
]GRID grid.412480.b, ISNI 0000 0004 0647 3378, Department of Internal Medicine, , Seoul National University Bundang Hospital, Seoul National University College of Medicine,
; Seongnam, Republic of Korea
[2
]GRID grid.413112.4, ISNI 0000 0004 0647 2826, Department of Internal Medicine, , Wonkwang University Hospital, ; Iksan, Republic of Korea
[3
]GRID grid.14005.30, ISNI 0000 0001 0356 9399, Department of Infectious Diseases, , Chonnam National University Medical School, ; Gwangju, Republic of Korea
[4
]GRID grid.31501.36, ISNI 0000 0004 0470 5905, Department of Internal Medicine, , Seoul National University Hospital, Seoul National University College of Medicine,
; Seoul, Republic of Korea
[5
]GRID grid.411076.5, Department of Internal Medicine, , Ewha Womans University Hospital, ; Seoul, Republic of Korea
[6
]GRID grid.412588.2, ISNI 0000 0000 8611 7824, Department of Internal Medicine, , Pusan National University Hospital, ; Busan, Republic of Korea
[7
]GRID grid.488421.3, ISNI 0000000404154154, Department of Internal Medicine, , Hallym University Sacred Heart Hospital, ; Anyang, Republic of Korea
[8
]GRID grid.412479.d, Department of Internal Medicine, , Seoul Metropolitan Boramae Hospital, ; Seoul, Republic of Korea
[9
]GRID grid.411665.1, ISNI 0000 0004 0647 2279, Department of Internal Medicine, , Chungnam National University Hospital, ; Daejeon, Republic of Korea
[10
]GRID grid.411633.2, ISNI 0000 0004 0371 8173, Department of Internal Medicine, , Inje University Ilsan Paik Hospital, ; Goyang, Republic of Korea
[11
]GRID grid.412011.7, ISNI 0000 0004 1803 0072, Department of Internal Medicine, , Kangwon National University Hospital, ; Chuncheon, Republic of Korea
[12
]GRID grid.416355.0, ISNI 0000 0004 0475 0976, Present Address: Department of Internal Medicine, , Myongji Hospital, ; Goyang, Republic of Korea
License:
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License,
which permits use, sharing, adaptation, distribution and reproduction in any medium
or format, as long as you give appropriate credit to the original author(s) and the
source, provide a link to the Creative Commons licence, and indicate if changes were
made. The images or other third party material in this article are included in the
article's Creative Commons licence, unless indicated otherwise in a credit line to
the material. If material is not included in the article's Creative Commons licence
and your intended use is not permitted by statutory regulation or exceeds the permitted
use, you will need to obtain permission directly from the copyright holder. To view
a copy of this licence, visit
http://creativecommons.org/licenses/by/4.0/.