<|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: due to the ethical considerations, data are available upon request. data are from the developing the observatory test of capacity, performance, and developmental disregard (otcpdd) for children with cerebral palsy study whose authors may be contacted at tnwang@ntu.edu.tw.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>