1. Medical Research Laboratories (M.B., E.B., M.H.V., J.G., R.R.N., T.K.-H., E.T.V., N.J., E.T., A.B.M., S.B.P., J.O.L.J., N.M.), Clinical Institute, Aarhus University, DK-8000, Aarhus, Denmark;
2. Department of Pediatrics (M.B., T.K.-H.), Aarhus University Hospital, DK-8200 Aarhus, Denmark;
3. Department of Endocrinology and Internal Medicine (E.B., M.H.V., E.T.V., N.J., A.B.M., S.B.P., J.O.L.J., N.M.), Aarhus University Hospital, DK-8000 Aarhus, Denmark;
4. Department of Cardiology (R.R.N.), Aarhus University Hospital, DK-8200 Aarhus, Denmark;
5. Department of Biology (H.P., R.S.B.), University of Copenhagen, DK-1165 Copenhagen, Denmark