<|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: due to ethical restrictions, the data used in this study can be made available for research proposals by a request to elsa's publications committee. contact: elsa datacenter (estatisticaelsa@ufrgs.br). additional information can be obtained from the elsa coordinator of the research center of rio grande do sul, prof. maria ins schmidt (mischmidt49@gmail.com)<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>