About the Authors

Wei Gao, Yuen K. Ho, Irene J. Higginson
King's College London, School of Medicine, Cicely Saunders Institute, Department of Palliative Care, Policy and Rehabilitation, London, United Kingdom

Julia Verne
South West Public Health Observatory, Bristol, United Kingdom

Myer Glickman
Life Events & Population Sources Division, Office for National Statistics, Newport, Wales, United Kingdom

Corresponding Author

wei.gao@kcl.ac.uk

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Developed analysis plan: WG IJH. Data checking, recoding, and merger of datasets: WG YKH. Critical review: WG IJH JV MG YKH. Co-guarantors: WG IJH. Conceived and designed the experiments: WG IJH JV MG. Analyzed the data: WG YKH. Wrote the first draft of the manuscript: WG. Contributed to the writing of the manuscript: WG IJH JV MG. ICMJE criteria for authorship read and met: WG IJH JV MG YKH. Agree with manuscript results and conclusions: WG IJH JV MG YKH.