The proposed interventions focus on national level initiatives for making the systematic reviews 'wanted' and improving the capacity to conduct research. Our findings emphasize the essential role of policy makers for promoting systematic reviews. They demonstrate that many barriers stem from the lower quality of and lack of access to primary research originating from developing countries.

Analysis 01.03. Comparison 01 LLLT versus sham intervention (grouping based on follow-up durations), Outcome 03 Range of motion

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