About the Authors

P. C. Stone

Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing

p.stone@ucl.ac.uk

Affiliation Marie Curie Palliative Care Research Department, Division of Psychiatry, University College London (UCL), London, United Kingdom

A. Kalpakidou

Roles Data curation, Project administration, Writing – review & editing

Affiliation Marie Curie Palliative Care Research Department, Division of Psychiatry, University College London (UCL), London, United Kingdom

C. Todd

Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Supervision, Writing – review & editing

Affiliations School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom, Manchester Academic Health Science Centre, Manchester, United Kingdom, Manchester University NHS Foundation Trust, Manchester, United Kingdom

J. Griffiths

Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Supervision, Writing – original draft, Writing – review & editing

Affiliations School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom, Manchester Academic Health Science Centre, Manchester, United Kingdom

V. Keeley

Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

Affiliation Palliative Medicine Department, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, United Kingdom

K. Spencer

Roles Data curation, Formal analysis, Writing – review & editing

Affiliations School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom, Manchester Academic Health Science Centre, Manchester, United Kingdom

P. Buckle

Roles Formal analysis, Project administration, Writing – review & editing

Affiliation Marie Curie Palliative Care Research Department, Division of Psychiatry, University College London (UCL), London, United Kingdom

D. Finlay

Roles Formal analysis, Project administration, Writing – review & editing

Affiliation Marie Curie Palliative Care Research Department, Division of Psychiatry, University College London (UCL), London, United Kingdom

V. Vickerstaff

Roles Formal analysis, Project administration, Writing – original draft, Writing – review & editing

Affiliation Marie Curie Palliative Care Research Department, Division of Psychiatry, University College London (UCL), London, United Kingdom

R. Z. Omar

Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Supervision, Writing – original draft, Writing – review & editing

Affiliation Department of Statistical Science, University College London (UCL), London, United Kingdom

on behalf of the PiPS2 investigators’ group

Membership of the PiPS2 Investigators group authors are listed at the end of the manuscript in S1 Appendix and in the Acknowledgments.

Competing Interests

Competing interests - Prof Stone, Prof Todd, Prof Omar, Prof Keeley and Dr Griffiths received grants from National Institute for Health Research, during the conduct of the study; Members of the PiPS2 investigators group, in non-NHS units, received funds from NIHR (via UCL) for recruitment of participants. No authors declare any financial relationships with any organisations that might have an interest in the submitted work in the previous three years, and no other relationships or activities that could appear to have influenced the submitted work. This does not alter our adherence to PLOS ONE policies on sharing data and materials.