Funding for this research was provided by:
Medical Research Council (MR/R022887/1)
Fundação de Apoio à Pesquisa do Distrito Federal (00193-00000356/2018-24)
Fundação de Apoio à Pesquisa do Estado da Paraíba (001/2018)
Received: 1 June 2020
Accepted: 4 September 2020
First Online: 15 September 2020
Ethics approval and consent to participate
: This research was approved by the ethical committee of at the Center of Medical Sciences of the Federal University of Paraíba.
: Not applicable.
: RSS is a current supervisor of PMM at the Federal University of Campina Grande, Brazil.FPO was the director of the department of human resources planning at the Brazilian Ministry of Health between 2013 and 2016 and is currently a university tutor for the Programa Mais Médicos in the state of Paraíba.MH is a non-exec director of Primary Care International and on the editorial committee of the PAHO/PAJPH special edition on HRH for UHC.All other authors declare they have no conflicts of interest.