<|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 data cannot be made publicly available due to ethical restrictions imposed by the monaldi hospital ethics committee. data are available upon request from dr. ciro maiello, md, director of the heart transplant program, ospedali dei colli, via l. bianchi, 5 80131, naples, italy. dr. maiello can be contacted via telephone at 00390817062520 and email at ciro.maiello@ospedalideicolli.it.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>