Gülden Bilican
Department of Gastroenterology, Gazi University School of Medicine, 06560 Ankara, Turkey

Seçkin Özgül
Department of Gastroenterology, Gazi University School of Medicine, 06560 Ankara, Turkey

Nergiz Ekmen
Department of Gastroenterology, Gazi University School of Medicine, 06560 Ankara, Turkey

Kenan Moral
Department of Gastroenterology, Gazi University School of Medicine, 06560 Ankara, Turkey

Harun Küçük
Department of Gastroenterology, Gazi University School of Medicine, 06560 Ankara, Turkey

Serkan Dumanlı
Department of Gastroenterology, Gazi University School of Medicine, 06560 Ankara, Turkey

Azer Abiyev
Department of Gastroenterology, Gazi University School of Medicine, 06560 Ankara, Turkey

Tarkan Karakan
Department of Gastroenterology, Gazi University School of Medicine, 06560 Ankara, Turkey

Murat Kekilli
Department of Gastroenterology, Gazi University School of Medicine, 06560 Ankara, Turkey