1. Sakcak Ibrahim:
Department of General Surgery, Numune Teaching & Research Hospital, 06100, Ankara, Turkey
2. Avsar Fatih Mehmet:
Department of General Surgery, Numune Teaching & Research Hospital, 06100, Ankara, Turkey
3. Erdem Nihal Zekiye:
Department of General Surgery, Numune Teaching & Research Hospital, 06100, Ankara, Turkey
4. Cosgun Erdal:
Department of Biostatistics, Hacettepe University, 06100, Ankara, Turkey