Katholische Kliniken Oberhausen;
St.Josef Hospital;
Klinik für Innere Medizin;
Oberhausen 46045;
Germany;
Medical Office for Gastroenterology and Hepatology;
Herne 44623;
Germany;
Medical Office for Gastroenterology and Hepatology;
Dortmund 44263;
Germany;
Medical Office for Gastroenterology and Hepatology;
Berlin 10969;
Germany;
Center for Interdisciplinary Medicine;
Münster 48143;
Germany;
Medical Office for Gastroenterology and Hepatology;
Gie en 35392;
Germany;
Medical Office for Gastroenterology and Hepatology;
Mnchengladbach 41239;
Germany;
Pharma AG Medical Management Virology;
Grenzach-Wyhlen 79639;
Germany;
Center for HIV and Hepatogastroenterology;
Düsseldorf 40237;
Germany;