Text and Data Mining valid from 2019-01-11
Received: 7 December 2018
Revised: 29 December 2018
Accepted: 2 January 2019
First Online: 11 January 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The study was approved by research ethics committee of Isfahan University of Medical Sciences (Approval Code: IR.MUI.RSEARCH.REC.1397.171) and it was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Written informed consents were obtained from all patients upon enrollment.