<|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 study participants, if they have not undergone predictive testing themselves, participated under the condition of not knowing their PRNP genotype. Due to the relatively small sample size and risk of de-identification, all raw study data involving human participants was made available to the editors and reviewers but will not be made available publicly.  DNA sequences of gene blocks used for construction of humanized antibodies and human PrPC-AviTagTM are available from the first author upon reasonable request.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>