TNM organized funding, participated in the design and helped to draft the manuscript.
YP applied for funding, participated in patient recruitment, proposal and manuscript preparation, and drafting the manuscript.
NW attained funding, participated in study design, data acquisition, data analysis, data interpretation and manuscript preparation.
Nevertheless, a substantial number of trialists who had received industry funding participated in this survey.
HSB conceived of the study, obtained funding, participated in data collection, analysis and paper writing.
NBP provided funding, participated in the design of the bioinformatics study and reviewed the manuscript.
He obtained the funding, participated in its design and coordination of the data collection.
Conceived of the study, obtained funding, participated in its design and coordination: KPL, TAM.
CG and RH obtained funding, participated in the conception of the study, and performed data analysis.
APP and DAP Development of the protocol, organization and funding, participated in the interview.
AE arranged for the funding, participated in the conception and worked on the publication.
