Funding for this research was provided by:
Psychology Postgraduate Affairs Group (N/A)
City, University of London (N/A)
Received: 8 July 2018
Accepted: 29 November 2018
First Online: 27 December 2018
Ethics approval and consent to participate
: This study obtained approval from the Centre for Maternal and Child Health Research, School of Health Sciences (ref.: MCH/PR/PhD/17–18/01) in June 2017. Written informed consent was obtained from all participants.
: Not applicable.
: RA and RB have no competing interests to declare. EO is a member of the editorial board (Associate Editor) of this journal.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.