Jeong SR, Shim KW, Lee HS, Lee SW, Byun AR, Cho SH, Chun HJ.  Lifestyle and Nutritional State According to Breakfast Frequency Level of Korean Adults: Using 2014 Korea National and Nutrition Examination Survey.  KJFP 2018;8:364-371.  https://doi.org/10.21215/kjfp.2018.8.3.364