1 “... studies were identified from reference lists and technical experts. REVIEW METHODS: Major data abstraction...”

2 “... studies were identified from reference lists and technical experts. REVIEW METHODS: Major data abstraction...”

3 “... searched for gray literature in databases with regulatory information, clinical trial registries, abstracts...”

4 “... searched for gray literature in databases with regulatory information, clinical trial registries, abstracts...”

5 “... with regulatory information, clinical trial registries, abstracts and conference papers, grants and federally...”

6 “... with regulatory information, clinical trial registries, abstracts and conference papers, grants and federally...”

7 “... information, clinical trial registries, abstracts and conference papers, grants and federally funded research...”

8 “..., abstracts/conference papers, grants and federally funded research, and manufacturer information. REVIEW...”

9 “..., abstracts/conference papers, grants and federally funded research, and manufacturer information. REVIEW...”

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