[1] Hacettepe Univ, Sch Med, Dept Gastroenterol, TR-06100 Ankara, Turkey
[2] Ankara Numune Training & Res Hosp, Dept Gastroenterol, Ankara, Turkey
[3] Yuksek Ihtisas Educ & Res Hosp, Dept Gastroenterol, Ankara, Turkey
[4] Tatvan State Hosp, Dept Cardiol, Tatvan, Turkey
[5] Bitlis State Hosp, Dept Neurol, Bitlis, Turkey
[6] Ankara Numune Training & Res Hosp, Dept Rheumatol, Ankara, Turkey
[7] Univ Palermo, Dept Clin Med & Emerging Dis, Palermo, Italy