This prospective study was approved by the Research Ethics Committee of Shahid Beheshti University of Medical Sciences in Tehran, Iran (IR.SBMU.CRC.REC.1402.040) and a written informed consent was obtained from the patient.
This prospective study was approved by the Research Ethics Committee of Shahid Beheshti University of Medical Sciences in Tehran, Iran (IR.SBMU.CRC.REC.1402.040) and a written informed consent was obtained from the patient.