1. Center for Biopharmaceuticals & Department of Drug Design and Pharmacology; University of Copenhagen; Universitetsparken 2 2100 Copenhagen Denmark
2. Universität Bayreuth; Lehrstuhl Biochemie und Forschungszentrum für Biomakromoleküle; Universitätsstrasse 30 95447 Bayreuth Germany
3. Duke University Medical Center; Sarah W. Stedman Nutrition and Metabolism Center; 4321 Medical Park Drive Durham NC 27704 USA