Corresponding Author: Dr. Alexander Carpinteiro

Dept. of Molecular Biology and Hematology, Medical School, University of Duisburg-Essen, Hufelandstrasse 55, 45122 Essen (Germany)
Tel. 49-201-723-84579, Fax 49-201-723-5974, E-Mail alexander.carpinteiro@uk-essen.de