About the Authors

Jung Hwan Kim

Affiliation Department of Family Medicine, Seoul Eulji Hospital, Eulji University, Seoul, South Korea

Kyung Won Shim

Affiliation Department of Family Medicine, Ewha Woman’s University Mokdong Hospital, Seoul, South Korea

Yeong Sook Yoon

Affiliation Department of Family Medicine, Center for Health Promotion, and Clinical Research Center, Ilsan-paik Hospital, Inje University, College of Medicine, Gyeonggi-Do, South Korea

Sang Yeoup Lee

Affiliation Department of Family Medicine, Pusan National University, College of Medicine, Busan, South Korea

Sung Soo Kim

Affiliation Department of Family Medicine, Chungnam National University Hospital, Daejeon, South Korea

Sang Woo Oh

osw6021@yahoo.co.kr

Affiliation Department of Family Medicine, Center for Obesity, Metabolism, and Clinical Nutrition, Dongguk University International Hospital, Gyeonggi-Do, South Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SWO KWS. Performed the experiments: SWO KWS SYL YSY SSK. Analyzed the data: JHK SWO KWS KSY YSY SSK. Wrote the paper: JHK SWO. Critical revision of manuscript: SWO.