Funding for this research was provided by:
ESRC National Centre for Research Methods, University of Southampton (ES/P008313/)
Public Health Research Programme (HPRU- 2012-10047)
Received: 16 September 2019
Accepted: 6 February 2020
First Online: 14 February 2020
Ethics approval and consent to participate
: Full ethical approval was obtained from the Health Research Authority (IRAS project ID is 192130) and the Institutional Review Board (IRB 00006477) of HUPNVS, Paris 7 University, APHP before data collection. The completion of questionnaires inferred consent.
: Not applicable.
: The authors declare that they have no competing interests.