Gavin AT, Donnelly D, Donnelly C, et al. Effect of investigation intensity and treatment differences on prostate cancer survivor's physical symptoms, psychological well-being and health-related quality of life: a two country cross-sectional study. BMJ Open 2016;6:e012952.
The contributions are incorrect. They should read as follows;
Contributors ATG, LS, CD and FJD were involved in conception of study, funding and ethics. ATG and DD were involved in data analysis. FJD, ATG, LS and GJG were involved in study organisation. All authors were involved in data interpretation and write-up.