<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: the study design was based on cochrane review methods. multiple comprehensive databases, including medline (january 1, 1976 to january 31, 2015), embase (january 1, 1985 to january 31, 2015), the cochrane library (january 1, 1987 to january 31, 2015) and koreamed (june 1, 1958 to january 31, 2015), were searched for studies that compared isokinetic strengths of the quadriceps and/or hamstring muscles between the limb that underwent tka and the contralateral uninjured limb.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>