[1
]Department of Internal Medicine, The Catholic University of Korea College of Medicine,
Seoul, Korea.
[2
]Department of Internal Medicine, Sungkyunkwan University School of Medicine, Seoul,
Korea.
[3
]Department of Family Medicine, Inje University Seoul Paik Hospital, Inje University
College of Medicine, Seoul, Korea.
[4
]Department of Family Medicine, Konyang University Hospital, Konyang University College
of Medicine, Daejeon, Korea.
[5
]Department of Family Medicine, Ajou University School of Medicine, Suwon, Korea.
[6
]Department of Family Medicine, Korea University College of Medicine, Seoul, Korea.
[7
]Department of Dietetics, Kangbuk Samsung Hospital, Sungkyunkwan University School
of Medicine, Seoul, Korea.
[8
]Department of Physical Education, Yonsei University, Seoul, Korea.
[9
]Department of Pediatrics, National Medical Center, Seoul, Korea.
[10
]Department of Family Medicine, Gachon University Dongincheon Gil Hospital, Gachon
University of Medicine and Science, Incheon, Korea.
[11
]Department of Internal Medicine, Gachon University Gil Hospital, Gachon University
of Medicine and Science, Incheon, Korea.
[12
]Department of Family Medicine, Pusan National University Yangsan Hospital, Pusan National
University School of Medicine, Yangsan, Korea.
[13
]Department of Family Medicine, Sanggye Paik Hospital, Inje University, Seoul, Korea.
[14
]Department of Internal Medicine, Eulji University Hospital, Eulji University School
of Medicine, Daejeon, Korea.
[15
]Department of Internal Medicine, Hanyang University Guri Hospital, Hanyang University
College of Medicine, Guri, Korea.
[16
]Department of Pediatrics, Konkuk University Medical Center, Konkuk University School
of Medicine, Seoul, Korea.
[17
]Department of Internal Medicine, Kyung Hee University School of Medicine, Seoul, Korea.
[18
]Department of Surgery, Soonchunhyang University College of Medicine, Seoul, Korea.
[19
]Department of Family Medicine, Chungnam National University School of Medicine, Daejeon,
Korea.
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