| Draft the protocol | NS |
| Develop and run the search strategy | IM PaPaS Information Specialist provided support. |
| Obtain copies of studies | AW, NS, MH |
| Select which studies to include (2 people) | NS, MH |
| Extract data from studies (2 people) | NS, MH |
| Enter data into RevMan | NS |
| Carry out the analysis | KK, IB |
| Interpret the analysis | NS, KK, KJ |
| Draft the final review | NS |
| Update the review | NS |