Funding for this research was provided by:
Shiraz University of Medical Sciences (98-01-42-20527)
Received: 30 May 2019
Accepted: 27 August 2019
First Online: 14 September 2019
Ethics approval and consent to participate
: This article does not contain any studies involving human participants or clinical trial to require their consent for publication. Thus no ethical limitation was involved. The references of all data used in this research were also noted in the manuscript completely.
: The authors declare that they have no competing interests.