Text and Data Mining valid from 2019-07-20
Received: 1 March 2019
Accepted: 28 June 2019
First Online: 20 July 2019
Ethics approval and consent to participate
: Ethical approval for the study was granted by the Institutional Review Board of the Korle-Bu Teaching Hospital (ID NO. KBTH 00093/2016).
: Not applicable.
: The authors declare that they have no competing interests.