<|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 declare that the data are available upon request because of an ethical and legal restriction. in italy, there is a law (decreto legislativo 196/2013) that protects the privacy of patients. access to the database requires authorization. the names of the individuals that readers may contact to request the data are: 1. mr. luca granata, heads of quality control and administrator of database in altamedica (luca.granata@artemisia.it) or 2. dr pietro cignini (info@pietrocignini.it).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>