Table A1.

Literature search strategy.

The following databases were searched • Cochrane Library • Medline
Search engines used: • PubMed Clinical Queries—Systematic Reviews • Cochrane Review • Epistemonikos
Pubmed Clinical Queries Search Strategy Tennis elbow [MeSH Term] OR Tennis elbow OR Lateral epicondylitis OR Lateral epicondylalgia OR Lateral elbow tendinopathy	Cochrane Review Search Strategy Tennis elbow OR Lateral epicondylitis OR Lateral epicondylalgia OR Lateral elbow tendinopathy	Epistemonikos Search Strategy Tennis elbow OR Lateral epicondylitis OR Lateral epicondylalgia OR Lateral elbow tendinopathy