Text and Data Mining valid from 2019-09-02
Received: 9 May 2019
Accepted: 26 August 2019
First Online: 2 September 2019
Ethics approval and consent to participate
: The study was approved by the IRB of Zahra Hospital, Beirut, Lebanon (December 21, 2017). When written consent was not possible for all patients because some of them are not literate, oral consent had to be given before their enrolment into the study and was documented. The ethics committee approved this procedure.
: Not applicable.
: The authors declare that they have no competing interests.