Received: 6 April 2019
Accepted: 9 June 2019
First Online: 26 June 2019
Ethics approval and consent to participate
: This study obtained ethical approval from the Research Ethics Committee of Kilimanjaro Christian Medical University College of Tumaini University with Research Ethical Clearance Certificate No. 955, and patients provided written consent to participate.
: Consent to publish was obtained and patients provided written consent for publication of the collected information.
: The authors declare that they have no competing interests.