Received: 10 February 2019
Accepted: 12 July 2019
First Online: 9 August 2019
Ethics approval and consent to participate
: The ethical issue of this study was approved by the ethical committee of Jimma University, College of Public Health& official permission to undertake the study was obtained from the MKRH. Privacy & confidentiality of patients was maintained during data collection.
: Not Applicable.
: The authors declare that they have no competing interests.