<|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 data from this research study are not publicly available due to concerns of participant confidentiality. Data from this research study contain information that are identifiable at both the school and individual level. Ethical approval for this research study was granted by the College of Human and Health Sciences Research Ethics Committee, Swansea University (approval number 070117, email CHHS-Ethics@swansea.ac.uk), on the basis that participants‚Äô data was only accessible by the research team. The participants did not consent to having their data publicly available. Requests for access to the data may be directed to the College of Human and Health Sciences Research Ethics Committee, Swansea University by emailing CHHS-Ethics@swansea.ac.uk.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>