1. Department
of Nutrition, Sports and Exercise, Faculty of Science, University of Copenhagen, Rolighedsvej 30, Frederiksberg
C, 1958, Denmark
2. Carlsberg Research Laboratory A/S, Gamle Carlsberg Vej 6-10, 1799 Copenhagen V, Denmark
3. Department
of Chemistry, Technical University of Denmark, Kemitorvet, 2800 Kgs. Lyngby, Denmark