<|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: public sharing of data is restricted to preserve the confidentiality of study participants. sas code, a data dictionary, and a de-identified, ethically compliant data set underlying the study findings will be made available upon request. requests for a data set and documentation may be made at https://stanfordmedicine.qualtrics.com/se/?sid=sv_eqhahdoczxmzkef. please contact the corresponding author at jabanda@stanford.edu if the data request site is down.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>