[1] Tufts Univ, JM USDA Human Nutr Res Ctr Aging, Boston, MA 02111 USA
[2] Hosp Miguel Servet, Unidad Lipidos, Zaragoza, Spain
[3] Hosp Clin Barcelona, Ctr Diagnost Imatge, Barcelona, Spain
[4] Hosp Clin Barcelona, Unitat Lipids, Barcelona, Spain
[5] Univ Zaragoza, Dept Bioquim Biol Mol & Celular, Zaragoza, Spain
[6] Progenika Biopharma, Derio, Spain
[7] Hosp Donostia, San Sebastian, Spain