<|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: all relevant data for this secondary analysis of the sound-c2 trial are within the manuscript itself. the primary results of the sound-c2 trial are in the public domain, doi: 10.1056/nejmoa1213557 (zeuzem s, et al. n engl j med 2013;369:630-639). the study synopsis is published here: http://trials.boehringer-ingelheim.com/content/dam/internet/opu/clinicaltrial/com_en/results/1241/1241.21_c02992550-01_dr.pdf there are ethical restrictions on the patient-level data that prohibit it from being available in a public repository, however patient-level data and/or supporting documents from this study can be requested by interested researchers from the following site: https://clinicalstudydatarequest.com/.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>