1. From the Department of Internal Medicine, Sanford School of Medicine, University of South Dakota, Sioux Falls, SD (W.S.H.); Health Diagnostic Laboratory Inc, Richmond, VA (W.S.H.); OmegaQuant Analytics, LLC, Sioux Falls, SD (W.S.H.); and Department of Nutritional Sciences, Pennsylvania State University, State College, PA (G.C.S.).