<|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 authors confirm that, for approved reasons, some access restrictions apply to the data underlying the findings. due to the ethical restrictions imposed by the committee on the use of human subjects at harvard university, we cannot share the data publicly. data from the scd-amps study may be obtained upon request to the authors who may be contacted at gwhitesides@harvard.edu provided assurance is given to protect the privacy of the subjects.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>