[1
]
Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of
Medicine, Seoul, Korea.
[2
]
Center for Health Promotion, Samsung Medical Center, Sungkyunkwan University School
of Medicine, Seoul, Korea.
[3
]
Center for Clinical Epidemiology, Samsung Medical Center, Sungkyunkwan University
School of Medicine, Seoul, Korea.
[4
]
Department of Health Science and Technology, Samsung Advanced Institute for Health
Science and Technology, Sungkyunkwan University School of Medicine, Seoul, Korea.
[5
]
Center for Clinical Epidemiology, Samsung Medical Center, Sungkyunkwan University
School of Medicine, Seoul, Korea; Department of Health Science and Technology, Samsung
Advanced Institute for Health Science and Technology, Sungkyunkwan University School
of Medicine, Seoul, Korea.
[6
]
Department of Otorhinolaryngology, Samsung Medical Center, Sungkyunkwan University
School of Medicine, Seoul, Korea.
[7
]
Department of Health Science and Technology, Samsung Advanced Institute for Health
Science and Technology, Sungkyunkwan University School of Medicine, Seoul, Korea;
Department of Medical Informatics, Samsung Medical Center, Sungkyunkwan University
School of Medicine, Seoul, Korea.
[8
]
Center for Clinical Epidemiology, Samsung Medical Center, Sungkyunkwan University
School of Medicine, Seoul, Korea; Department of Epidemiology, Johns Hopkins Bloomberg
School of Public Health, Baltimore, Maryland; Department of Clinical Research Design
and Evaluation, Samsung Advanced Institute for Health Science and Technology, Sungkyunkwan
University School of Medicine, Seoul, Korea.
[9
]
Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of
Medicine, Seoul, Korea. Electronic address: gy.gwak@samsung.com.