<|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: de-identified data is available upon request to the corresponding author or dr. alan shuldiner. given the unique ancestral relationships among amish participants and publicly available genealogical records (i.e. anabaptist genealogical data base), limited data may be provided in order to protect participant confidentiality.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>