1. Department of Family Medicine, Inje University Ilsan Paik Hospital, Juhwa-ro, Ilsanseo-gu, Goyang-Si, Gyeonggi-Do, Korea
2. Department of Neurology, Dongguk University Ilsan Hospital, Dongguk-ro, Goyang-si, Ilsandong-gu, Gyeonggi-do, Korea
3. Department of Family Medicine, Dongguk University Ilsan Hospital, Dongguk-ro, Goyang-si, Ilsandong-gu, Gyeonggi-do, Korea