<|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: this study reports on data collected as a part of the child health and development study, and the associated project a study of childrens access to health care and support services. these data cannot be made available publicly due to an ethical restriction as the consent of participants implied that only the research team will have access to the data provided for these studies. anonymised data from the studies are held by the principal investigators dr sara evans-lacko (sara.evans-lacko@kcl.ac.uk) and dr kristin laurens (kristin.laurens@kcl.ac.uk). those interested in obtaining these data should contact drs evans-lacko and laurens to request appropriate approval for access.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>