<|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: data are available from the barcelona hiv registry, barcelona city municipal registry and barcelona city death registry. data access requires institutional data access approval. there is an ethics committee for researchers who meet the criteria for access to confidential information. future interested researchers may request access to the dataset from patricia garcia de olalla (polalla@asp.cat) or joan a. cayla (jcayla@aspb.cat). cesar garriga (cesar.garriga-fuentes@ndorms.ox.ac.uk) can also provide access to the dataset after asking for permission from patricia garcia de olalla or joan a. cayla.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>