Funding for this research was provided by:
ViiV Healthcare UK (UK/HIV/0102/14s)
First Online: 27 March 2018
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.
: Ethical approval was obtained through Royal Holloway University of London Psychology Department Ethics Committee (2015/052). Approval to use CHIPS data was obtained from the CHIPS Steering Committee, with participant identifiers allowing anonymous linkage of data. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.