[1] Oslo Univ Hosp, Dept Endocrinol Morbid Obes & Prevent Med, Norwegian Natl Advisory Unit Familial Hypercholes, Oslo, Norway
[2] Oslo Univ Hosp, Dept Endocrinol Morbid Obes & Prevent Med, Lipid Clin, Oslo, Norway
[3] Oslo Univ Hosp, Dept Med Genet, Unit Cardiac & Cardiovasc Genet, Oslo, Norway
[4] Vestfold Med Ctr, Sandefjord, Norway
[5] Nordland Hosp Bodo, Div Internal Med, Bodo, Norway
[6] Univ Tromso, Dept Clin Med, Tromso, Norway
[7] Univ Oslo, Inst Basic Med Sci, Dept Nutr, Fac Med, Oslo, Norway