<|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: To protect the respondent's anonymity, ethical constraints prevent the data set from being made public. Data may contain personally identifiable or sensitive respondent information. Participants in the study are vulnerable populations whose data, when combined, could become identifying due to indirect identifiers (such as ethnicity, location, etc.). Data request could be made from the Medical Ethics Committee, University Malaya Medical Center (umrec@um.edu.my) for researchers who meet the criteria for access to confidential data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>