<|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: data used in our publication are available upon request to the mrc national survey of health and development (nshd) data sharing committee. nshd data sharing policies and processes meet the requirements and expectations of the uk medical research council policy on sharing of data from population and patient cohorts: http://www.mrc.ac.uk/research/research-policy-ethics/data-sharing/policy/. data requests should be submitted to mrclha.swiftinfo@ucl.ac.uk; further details can be found at http://www.nshd.mrc.ac.uk/data.aspx. these policies and processes are in place to ensure that the use of data from this 70 year old national birth cohort study is within the bounds of consent given previously by study members, complies with mrc guidance on ethics and research governance, and meets rigorous mrc data security standards.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>