Funding for this research was provided by:
Tarbiat Modares University
Text and Data Mining valid from 2018-04-12
Received: 25 February 2017
Accepted: 12 February 2018
First Online: 12 April 2018
Ethics approval and consent to participate
: This research project was approved (ID: 52/8199) by the Ethics Committee of the Medical Science..Sciences, Tarbiat Modares University, where the work was undertaken. Before each interview, the participants were introduced to the interviewers and then briefed on the study objectives and methods and ensured of the confidentiality of the data and of their not being used against them. The participants then gave their written consents for participation in the study.
: Not applicable.
: The authors have no conflicts of interest to declare.
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