Note 1: If reporting outcomes data for an included trial utilising either the RMDQ or the VAS-P are missing from the main data file, these data may be obtailed using the look-up chart in the PDF entitled 'Additional_reporting_data_look_up_chart.pdf'. 

Note 2: In all 9 cases where sample size calculation data is missing, the primary outcome is declared. 

Note 3: .dta file opens in Stata (Statacorp, Texas)