Funding for this research was provided by:
Horizon 2020 (779255)
Received: 6 August 2020
Accepted: 20 January 2021
First Online: 5 February 2021
Ethics approval and consent to participate
: The two trials received ethical clearance from the local ethics committees of the participating sites (seven sites), as well as from the WHO Ethics Committee.All participants will provide informed consent before the screening and before study inclusion (a two-step procedure).
: The authors declare that they have no competing interests.