Appendix 1. MEDLINE (Ovid SP) search strategy

1. exp diagnostic imaging/

2. diagnosis computer assisted/

3. (mri or magnetic resonance imaging or microscop* or photograph* or holograph* or radiograph* or spectroscop* or stroboscop* or subtraction technique* or thermograph* or tomograph* or transilluminat* or ultrasonograph* or ultrasound or imaging or scan*).tw.

4. 1 or 2 or 3

5. ((show* or presented or presenting or presentation or display* or given or giving or gave or receiv* or provided or providing or provision or view* or expos* or intervention* or motivat* or inform*) adj7 (image* or imaging or picture* or depict* or recording* or scan* or photo or photograph* or radiograph* or tomograph* or thermograph* or holograph* or ultrasound or ultrasonograph* or visual* or their or result*)).tw.

6. (visual* adj10 feedback).tw.

7. 5 or 6

8. 4 and 7

9. (adher* or complian* or noncomplian* or motivat*).tw.

10. patient compliance/

11. health behavior/

12. health knowledge attitudes practice/

13. risk reduction behavior/

14. attitude to health/

15. motivation/ or intention/

16. patient education as topic/

17. counseling/ or directive counseling/

18. or/9‐17

19. 8 and 18

20. randomized controlled trial.pt.

21. controlled clinical trial.pt.

22. randomized.ab.

23. placebo.ab.

24. drug therapy.fs.

25. randomly.ab.

26. trial.ab.

27. groups.ab.

28. or/20‐27

29. humans.sh.

30. 28 and 29

31. 19 and 30