Affiliation: | (1) Division of Infectious Diseases, Dept. of Internal Medicine, Karl-Franzens University School of Medicine, Auenbruggerplatz 15, A-8036 Graz, Austria; Phone: (+43/31) 6385-3150, Fax: -3062, e-mail: robert.krause@kfunigraz.ac.at, AT;(2) Institute of Molecular Biology, Biochemistry and Microbiology, Karl-Franzens University, Graz, Austria, AT;(3) Institute of Hygiene, Karl-Franzens University, Graz, Austria, AT;(4) Dept. of Internal Medicine, University of Rostock, Germany, DE |