Annex A

Search strategy

The following evidence sources were searched by the information specialist of the WHO Collaborating Centre in Austria:
Table 5, Table 6, Table 7, and Table 8 present the database search strategies.
The following evidence sources were searched by the WHO Collaborating Centre for Guideline Implementation and Knowledge Translation, Lanzhou, China:
Table 9 presents the CNKI search strategy.
Table 5: Search strategy in MEDLINE