Funding for this research was provided by:
Higher Education Commision, Pakistan (6927/NRPU/R&D/17, Ph-V-MG-3/Peridot/R&D/HEC/2019)
Text and Data Mining valid from 2019-08-13
Received: 18 February 2019
Accepted: 10 July 2019
First Online: 13 August 2019
Compliance with ethical standards
: The authors confirm that this article content has no conflict of interest. The authors also declare no competing financial interests.