Funding for this research was provided by:
Text and Data Mining valid from 2019-11-29
Received: 2 April 2019
Accepted: 14 November 2019
First Online: 29 November 2019
Ethics approval and consent to participate
: This study was conducted according to the guidelines laid down in the Declaration of Helsinki and all procedures involving human subjects/patients were approved by the Institutional Review Boards (IRB) of the American University of Beirut and University of Maryland. Written informed consent was obtained from all subjects prior to participation and had the right to withdraw from the study at any time without any penalty or loss of benefits.
: Not applicable.
: The authors declare that they have no competing interests.