Hepatitis D, Chronic

• The first affiliated hospital of Xinjiang Medical University — Ürümqi, Xinjiang, China
• The first hospital of Jilin University — Changchun, China
• the National cancer center of Mongolia — Ulaanbaatar, Mongolia

Not specified

• Infectious Clinical Hospital (n.a. Toma Ciorba) — Chisinau, Moldova

• Ankara University Medical Facility; Hepatology Department — Ankara, Turkey (Türkiye)
• Uni of Uludag Faculty of Medicine; I, Hastaliklari Anabilim Dali — Bursa, Turkey (Türkiye)
• Dicle Uni Medical Faculty; Gastroenterology — Diyarbakır, Turkey (Türkiye)
• Istanbul Uni Cerrahpasa Medical Faculty; Gastroenterolgy — Istanbul, Turkey (Türkiye)

Not specified

• Bucharest, Romania
• Bucharest, Romania
• Cluj-Napoca, Romania
• Constanța, Romania

• Cagliari, Italy

• National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) — Bethesda, Maryland, United States