Author Contributions: Dr Hui had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Drs Hui and Elsayem contributed equally to the manuscript.
Study concept and design: Hui, Elsayem, De La Cruz, Berger, Zhukovsky, Fadul, Palmer, Bruera.
Acquisition of data: Hui, Elsayem, De La Cruz, Berger, Zhukovsky, Evans, Fadul.
Analysis and interpretation of data: Hui, Palla, Palmer, Bruera.
Drafting of the manuscript: Hui, Bruera.
Critical revision of the manuscript for important intellectual content: Hui, Elsayem, De La Cruz, Berger, Zhukovsky, Palla, Evans, Fadul, Palmer, Bruera.
Statistical analysis: Hui, Palla, Palmer.
Obtained funding: Bruera.
Administrative, technical, or material support: Hui, Elsayem, De La Cruz, Berger, Zhukovsky, Palla, Evans, Fadul, Bruera.
Study supervision: Elsayem, Bruera.
Financial Disclosures: None reported.
Funding/Support: This work was supported in part by grants RO1NR010162-01A1, RO1CA122292-01, and RO1CA124481-01 from the National Institutes of Health (Dr Bruera); grant CA16672 from the National Cancer Institute (Patient-Reported Outcomes, Survey and Population Research Shared Resources); and the Clinician Investigator Program, Royal College of Physicians and Surgeons of Canada (Dr Hui).
Role of the Sponsors: The funding organizations had no role in the design and conduct of the study, in the collection, management, analysis, and interpretation of the data, or in the preparation, review, or approval of the manuscript.
Additional Contributions: We thank the Patient-Reported Outcomes, Survey and Population Research core facility at The University of Texas M. D. Anderson Cancer Center for assistance with conduction of this survey, and Kathryn Hale, MS, MLIS (Department of Scientific Publications, The University of Texas M. D. Anderson Cancer Center) for review of the manuscript. Ms Hale did not receive any compensation for her contribution. We are also grateful to all respondents for completing the surveys.