DNA Virus Infections

• Lkh-Univ. Klinikum Graz — Graz, Austria
• Tiroler Landeskrankenanstalten Ges.M.B.H.; Klinische Abt. Für Gaströnterologie & Hepatologie — Innsbruck, Austria
• A.Ö. Krankenhaus Der Elisabethinen Linz; Iv. Med. Abtl. — Linz, Austria
• Medizinische Universität Wien; Univ.Klinik für Innere Medizin III - Gastroenterologie & Hepatologie — Vienna, Austria

• Azienda Ospedaliera Policlinico Consorziale di Bari; Clinica Malattie Infettive — Bari, Apulia, Italy
• Ospedale de Bellis; Reparto Medicina Generale — Castellana Grotte, Apulia, Italy
• Az. Osp. S. Sebastiano; Divisione Malattie Infettive — Caserta, Campania, Italy
• Az. Osp. Cardarelli; Unita Operativa A Struttura Complessa Di Epatologia — Naples, Campania, Italy

• Mhat - Pleven; Clinic of Gastroenterology — Pleven, Bulgaria
• Umhat St. Georgi; Clinical of Gastroenterology — Plovdiv, Bulgaria
• MHAT Tokuda Hospital Sofia; Department of Gastroenterology at Clinic of Internal Deseases — Sofia, Bulgaria
• UMHAT Alexandrovska EAD; Gastroenterology — Sofia, Bulgaria

• Changhua Christian Hospital; Internal Medicine — Changhua, Taiwan
• Kaohsiung Chang Gung Memorial Hospital; Dept of Internal Medicine — Kaohsiung City, Taiwan
• Kaohsiung Medical Uni Chung-Ho Memorial Hospital; Dept of Internal Medicine — Kaohsiung City, Taiwan
• Chang Gung Medical Foundation - Keelung; Dept. of Hepato-Gastroenterology — Keelung, Taiwan

Not specified

• Chelyabinsk, Russia
• Irkutsk, Russia
• Kazan', Russia
• Krasnoyarsk, Russia

Not specified

Not specified

• Medizinische Universität Wien; Univ.Klinik für Innere Medizin III - Gastroenterologie & Hepatologie — Vienna, Austria
• MHAT Tokuda Hospital Sofia; Department of Gastroenterology at Clinic of Internal Deseases — Sofia, Bulgaria
• Mhat Sveta Marina; Clinic of Gastroenterology — Varna, Bulgaria
• Beijing Ditan Hospital — Beijing, China

• Dana-Farber Cancer Institute — Boston, Massachusetts, United States
• University of Minnesota Cancer Center — Minneapolis, Minnesota, United States