Excluded papers with reasons
| Excluded paper | Reason |
|---|---|
| Alam et al13 | Adult RCT |
| Alvarez Calatayud et al14 | Not RCT |
| Cojocaru et al15 | Not randomised trial (alternate patient entry) |
| Guarino et al16 | Review article |
| Huighebaert et al 7 | Review article |
| Lehert et al9 | Review and meta-analysis |
| Mehta et al18 | Not RCT |
| Pieścik-Lech et al19 | Review article |
| Rao20 | Not RCT |
| Rautenberg et al21 | Not RCT |
| Tebruegge22 | Review article discussing another trial |
| Tormo et al23 | Review article |
| Savitha24 | Abstract study, never published in full, author contacted and responded but could not supply further data to judge inclusion |
| Szajewska et al8 | Previous systematic review |
RCT, randomised controlled trial.