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Article History

Received: 22 June 2021

Accepted: 24 March 2022

First Online: 6 April 2022

Declarations

:

: The EN-INDEPTH study was granted ethical approval by the Institutional Review Boards in all operating countries as well as from the Institutional Ethical Review Committee of the London School of Hygiene & Tropical Medicine (Additional file ). Every participant in each FGD gave written consent /assent after they had been informed about the study purpose, procedures, risks, benefits, compensation and voluntary participation in and withdrawal from the study. Those below 16 years of age gave assent after informed consent from their parent/legal guardian to take part in the study. They also had the opportunity to ask questions. During data collection, FGDs were held in private areas to the extent possible, with non-study participants not allowed to join the discussion. Confidentiality was also observed, including the use of numbers instead of participants names during the discussion, as well as in storage and analysis of transcripts. All research was performed in accordance with the Declaration of Helsinki =-ethical principles for medical research involving human subjects.

: Not applicable.

: The authors declare that they have no competing interests.