Generate PDF of this section Section info Contact support@cochrane.org Change date 6 February 2020 Title and Authors (R1-R2) Abstract (R3-R18) Background (R19-R25) Methods (R26) Criteria for considering studies for this review (R27-R32) Search methods for identification of studies (R33-R38) Data collection and analysis (R39-R55) Book traversal links for Reporting review conduct (R1-R55) ‹ Key points and introduction Up Title and Authors (R1-R2) ›