Kreiskrankenhaus Gross-Gerau;
Innere Abteilung;
Wilhelm-Seipp-Strasse;
Gross-Gerau D64521;
Germany;
Department of Clinical Pharmacology;
Medical Faculty;
Technical University Dresden;
Fiedler Strasse 27;
Dresden D01307;
Germany;
German Cancer Research Center;
Division of Biostatistics;
Im Neuenheimer Feld 280;
Heidelberg D69120;
Germany;