Agha R, Fowler AJ, Lee S-Y, et al. A systematic review protocol for reporting deficiencies within surgical case series. BMJ Open 2015;5:e008007. There are several corrections to this paper, shown in underlined, bold typeface below.

▸  The lead author name is Riaz A Agha.

▸ Abstract/Introduction/First sentence: ‘..common study type in the surgical literature’.

▸  Introduction/First page/Second column: ‘for example, emergency medicine'

▸   Page 2/Methodology: The following reference should be included at the end of the sentence ‘This systematic review will be conducted according to the recommendations outlined in the Cochrane Handbook for reviews and reported in line with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement’: Moher D, Liberati A, Tetzlaff J, et al. Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. J Clin Epidemiol 2009;62:1006–12.

▸   Page 2/Identification and selection of articles section: ‘…into a Microsoft Excel Database…’

▸   Page 3/First paragraph: ‘Articles selected after title and abstract screening will be downloaded and a further assessment made of their eligibility’.

▸   Page 3/First column/Penultimate sentence: ‘… the lead author (RA) will have the final say’.

▸ Page 3/Second column/First sentence: ‘… into a Microsoft Excel 2011 database (Microsoft)’.

▸ Page 3/Sensitivity analysis section: ‘…separately from those articles which may mention the…’

▸ Page 2/First column: ‘Patients need to be carefully selected, appropriately worked-up, the technique has to be meticulously worked out and implemented in an appropriate setting, with an appropriate postoperative regimen’.