Authors: Luzia Valentini; Lennart Schaper; Carsten Buning; Susanne Hengstermann; Thomas Koernicke; Wolfgang Tillinger; Francesco William Guglielmi; Kristina Norman; Sabine Buhner; Johann Ockenga; Matthias Pirlich; Herbert Lochs Journal: Nutrition Date: 2008-05-21 Impact factor: 4.008