1. From the Division of Clinical Chemistry, Department of Laboratory Medicine (C.P., P.P.), the Molecular Nutrition Unit, Department of Biosciences and Nutrition, Centre for Nutrition and Toxicology, NOVUM (C.P., B.A., M.E., P.P.), and the Metabolism Unit, Department of Medicine (C.P., B.A., M.E.), Karolinska Institutet at Karolinska University Hospital Huddinge, Stockholm, Sweden; the Department of Clinical Sciences, Diabetes and Endocrinology (E.K., L.G.), Malmö University Hospital, Sweden; and the...