Appendix 1. Draft search strategy for MEDLINE (OVID)

1. (fungal infection$1 adj5 (foot or feet)).mp.

2. ((foot or feet) adj3 ringworm).mp.

3. tinea pedum.mp.

4. tinea pectis.mp.

5. (tinea and (foot or feet)).ti,ab.

6. exp Tinea Pedis/

7. tinea pedis.mp.

8. athlete$ foot.mp.

9. or/1‐8

10. randomised controlled trial.pt.

11. controlled clinical trial.pt.

12. randomized.ab.

13. placebo.ab.

14. clinical trials as topic.sh.

15. randomly.ab.

16. trial.ti.

17. 10 or 11 or 12 or 13 or 14 or 15 or 16

18. exp animals/ not humans.sh.

19. 17 not 18

20. 9 and 19