<|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: although the data used in these analyses cannot be freely shared due to confidentiality constraints related to human medical data, they are all available to researchers submitting an appropriate research proposal: whas at (https://jhpeppercenter.jhmi.edu/ec_proposal/login.aspx), inchianti at (http://inchiantistudy.net/wp/?page_id=54), and blsa at (http://www.blsa.nih.gov/researchers).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>