1 Norwegian National Advisory Unit on Familial Hypercholesterolemia, Oslo University, Hospital, Oslo, Norway; The Lipid Clinic, Oslo University Hospital, Oslo, Norway.
2 Norwegian National Advisory Unit on Familial Hypercholesterolemia, Oslo University Hospital, Oslo, Norway; Unit for Cardiac and cardiovascular Genetics, Oslo University Hospital, Oslo, Norway.
3 The Lipid Clinic, Oslo University Hospital, Oslo, Norway.
4 Norwegian National Advisory Unit on Familial Hypercholesterolemia, Oslo University Hospital, Oslo, Norway.
5 Norwegian National Advisory Unit on Familial Hypercholesterolemia, Oslo University Hospital, Oslo, Norway; Department of Nutrition, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway.