Text and Data Mining valid from 2019-08-06
Received: 13 November 2018
Accepted: 29 July 2019
First Online: 6 August 2019
Ethics approval and consent to participate
: This study was approved by Research Ethics Committee of Taibah University, Al-Madinah, SA (TUCDEC2016113 Kasem). The study was conducted in accordance with the principles of World Medical Association of Helsinki. Participation in the study was voluntary and confidentiality was assured as every questionnaire was anonymous and coded i.e. information of the participants was not identified. The completion and returning of the questionnaire was a proxy of consent to participate in the study. The informed consent was waived by the aforementioned Research Ethics Committee of Taibah University, Al-Madinah.
: Not applicable.
: The authors declare that they have no competing interests.