Funding for this research was provided by:
Science and Technology Development Fund (358)
Text and Data Mining valid from 2019-09-18
Received: 7 May 2019
Accepted: 28 August 2019
First Online: 18 September 2019
Ethics approval and consent to participate
: The Research and Ethical Committee of the National Research Centre have cleared the study protocol with the ethical approval registration number 10140. Informed written consent was obtained from all participants involved in the study and the information obtained at the individual level was kept strictly confidential.
: Not applicable.
: The authors declare that they have no competing interests.