| Draft the protocol | SS |
| Develop and run the search strategy | BW PaPaS Information Specialist provided support |
| Obtain copies of studies | BW |
| Select studies to include (2 people) | SS, MA |
| Extract data from studies (2 people) | MA, TS |
| Enter data into RevMan | SS |
| Carry out the analysis | EP |
| Interpret the analysis | SS |
| Draft the final review | SS, MA, TS |
| Update the review | SS |