1. Department of Foodservice Management and Nutrition, Sangmyung University, 20 Hongjimun 2-gil, Jongno-gu, Seoul 03016, Korea.
2. Department of Food Science and Nutrition, Dankook University, Chungnam 31116, Korea.
3. Department of Food and Nutrition, Daejeon University, Daejeon 34520, Korea.
4. Department of Family Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Korea.
5. Department of Family Medicine, Seoul Paik Hospital, Inje University College of Medicine, Seoul 04551, Korea.