<|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: all derived data (i.e. city level data) are included in the paper. all input data for this study were obtained from third parties and are under license or underly confidentiality restrictions. mortality data used in this study are available from the office for national statistics upon request via the data access request service (http://www.hscic.gov.uk/dars), confidentiality restrictions apply. data on green space was derived from the land cover map 2007 which is available from the centre for ecology & hydrology (http://www.ceh.ac.uk/); data upon request via online quote request form (http://www.ceh.ac.uk/accessinglcmdata.html). index of multiple deprivation for super output areas is available via the data.gov.uk website: http://data.gov.uk/dataset/index_of_multiple_deprivation_imd_2007. pm10 concentration maps are available upon request from the authors (danielle vienneau, email: danielle.vienneau@unibas.ch).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>