Funding for this research was provided by:
Islamic Development Bank (SA), BOF Ghent University
Text and Data Mining valid from 2018-10-13
Received: 16 June 2018
Accepted: 6 October 2018
First Online: 13 October 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 or animals performed by any of the authors.