Funding for this research was provided by:
University of Kurdistan (1395/131)
Article History
Received: 9 April 2018
Revised: 2 September 2018
Accepted: 3 September 2018
First Online: 8 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants performed.
: This article does not contain any studies with animal performed.
: Informed consent was obtained from all individual participants included in the study.