Affiliation: | Institute of Clinical Chemistry and Pathobiochemistry, RWTH Aachen, D-52073 Germany; Institute of Clinical Chemistry and Laboratory Medicine, University of Regensburg, Franz-Josef-Strauss-Allee 11, D-93042 Regensburg, Germany Tel: +941 944 6204 Fax: +941 944 6402; Institute of Physiology and Pathophysiology, University Heidelberg, D-69120 Heidelberg, Germany; Department of Internal Medicine I, University of Regensburg, D-93042 Regensburg, Germany |