Affiliation: | (1) Institut für Zoologie, Johannes-Gutenberg-Universität, Saarstrasse 21, D-55099 Mainz, (Germany);(2) Hormone and Metabolic Research Unit, International Institute of Cellular and Molecular Pathology (ICP), Avenue Hippocrate 75, B-1200 Brussels, (Belgium);(3) Cellular Nutrition Research Group, Department of Biochemistry, University of Oxford, South Parks Road, OX1 3QU Oxford, UK |