1. Department of Internal Medicine, Dongguk University Ilsan Hospital, Dongguk University-Seoul, Republic of Korea
2. Department of Medicine, Graduate School, Dongguk University Ilsan Hospital, Dongguk University-Seoul, Republic of Korea
3. Center for Obesity, Nutrition, and Metabolism, Department of Family Medicine, Dongguk University Ilsan Hospital, Republic of Korea
4. Cardiovascular Center, Dongguk University Ilsan Hospital, Dongguk University-Seoul, Republic of Korea