Text and Data Mining valid from 2020-02-04
Received: 20 November 2019
Accepted: 27 November 2019
First Online: 4 February 2020
Ethics approval and consent to participate
: The study was approved by the ethical committee of El Salam International Hospital (Kuwait) in December 2014 (no reference number was given at that time). Written consent for participation in the study was obtained from all patients or relatives of patients.
: Written informed consent for publication of the study was obtained from the patients themselves.
: Both authors declare that they have no competing interests.