Received: 17 January 2021
Accepted: 15 March 2021
First Online: 6 April 2021
: Before starting the data collection, ethical clearance was obtained from an Institutional Review Board (IRB) of Bahir-Dar University, College of medicine, and health sciences. The IRB has decided and permitted to conduct this study through ethical letter with protocol number 0032/2020, written on February 25, 2020. Then, official letter was submitted to the selected public health facilities. Since the study was done by reviewing charts informed oral or written consent was not feasible. However, to maintain confidentiality patient name and unique ART number were not included in the data extraction check-list. Furthermore, confidentiality of data was kept at all levels of the study and not used for any other purposes than the stated study objectives.
: Not applicable.
: The authors declared that they have no competing interests.