Abu, Duresa
Abula, Teferra
Zewdu, Tesfu
Berhanu, Muluken
Sahilu, Tamiru
Article History
Received: 28 June 2021
Accepted: 8 December 2021
First Online: 16 December 2021
Declarations
:
: An ethical clearance to conduct the study was obtained from Addis Ababa University before data collection (ERB/SOP/42/11/2018). Participants were given a full right to continue or withdraw from the study i.e., informed consent was obtained from the study participants. All study records that identify subjects were kept confidential and used solely for the study. All study participants used to collect information in this study were given code numbers and no names were recorded. All methods were performed following the relevant guidelines and regulations. It was based on the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare that they have no competing interests.