<|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 preregistration document and R code used to analyze the data and generate figures is available on the Open Science Framework (OSF) project landing page (https://osf.io/7dsf9). Data sharing from the Pregnancy, Race, Environment, Genes (PREG) study and Adolescent and Young Adult Twin Study are limited by Institutional Review Board (IRB) agreements and participant consent forms, which restrict openly sharing individual-level DNA methylation measures. Individuals interested in PREG or AYATS data access or collaboration are encouraged to contact Dr. Timothy P. York (timothy.york@vcuhealth.org) or Dr. Roxann Roberson-Nay (roxann.robersonnay@vcuhealth.org), respectively.   https://osf.io/7dsf9<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>