[1] Univ Iceland, Unit Nutr Res, Reykjavik, Iceland
[2] Landspitali Natl Univ Hosp, Reykjavik, Iceland
[3] Univ Iceland, Fac Food Sci & Nutr, Sch Hlth Sci, Reykjavik, Iceland
[4] Iceland Heart Assoc, Kopavogur, Iceland
[5] Univ Iceland, Sch Hlth Sci, Fac Med, Reykjavik, Iceland