Hale Akpınar: 0000-0002-8734-2518
Author contributions: Göksel Bengi, Hatice Keyvan, Seda Bayrak Durmaz, Mesut Akarsu, Müjde Soytürk, Ender Ellidokuz, Ömer Topalak and Hale Akpınar contributed equally to this work, designed the research, drafted the manuscript and provided administrative and technical support.
Financial Disclosures: None.
Ethics Committee Approval: This study was approved by the Dokuz Eylul University Ethics Committee on July 2017 number: 2017/18-16.
Informed Consent: Informed consent was provided by all participants.
Conflicts of interest: None.
Correspondence to: Göksel Bengi, MD, PhD, Assis. Prof.,Department of Gastroenterology, Dokuz Eylul Universtiy Hospital, İnciraltı, 35000, İzmir, Turkey.drgokselbengi@hotmail.com
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