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At the time of his involvement Andrew Trigg was an employee of DRG Abacus. Arnold Degboe is an employee of AstraZeneca, Gaithersburg, MD, US. AstraZeneca LP have commissioned DRG Abacus to consult on patient-reported outcome strategies for several studies. Joseph M Herman was an employee of Johns Hopkins University during the study period and now is employed by MD Anderson Cancer Center. Amol Narang is an employee of Johns Hopkins University, department of radiation and molecular radiation sciences. Mary Hodgin is also an employee of Johns Hopkins University, department of surgery, advanced practice nursing, Baltimore, MD, US. Colin D Johnson is an <i>emeritus<\/i> Professor at the University of Southampton, UK. He has previously undertaken paid consultancy work for DRG Abacus.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"Ethics approval for the qualitative patient interview study was obtained from Johns Hopkins Institutional Review Board (IRB) (13-Nov-2015, amendment 29-Feb-2016 ref: J-15139).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"All patients completed an informed consent form prior to interview and gave additional verbal consent at the time of the interview.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}]}}