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Summary of Quality Assessments.
| Strength of Evidence | Frequency |
|---|---|
| II (Quasi-experimental) |
2 (8%) |
| III (Non-experimental, qualitative) |
19 (76%) |
| IV (Opinion of nationally recognized experts based on research evidence/consensus panels) |
3 (12%) |
| V (Opinions of industry experts not based on research evidence) |
1 (4%) |
