<|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 authors confirm that, for approved reasons, some access restrictions apply to the data underlying the findings. data from the mas-90 birth cohort used for this manuscript cannot be published directly as part of this manuscript or online supplement, for participating families gave consent only for analyzing their data within scientific projects  which cannot be guaranteed when making it unrestrictedly available for download. however, for scientific evaluations, all data can be requested free of charge and restrictions from mr. andreas reich at the institute for social medicine, epidemiology and health economics at charité  universitätsmedizin berlin, germany, after agreeing to use data only for research.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>