Received: 15 December 2018
Accepted: 23 May 2019
First Online: 5 June 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from the Senate Research and Publications Committee of Muhimbili University of Health and Allied Sciences in Dar es Salaam, Tanzania. We also obtained written informed consent from each Patient. Regional commissioner, District Directors and hospital authorities granted us permission to collect data.
: Not applicable.
: The authors declare that they have no competing interests.