<|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 are available on request to bona fide researchers via the médecins sans frontières operational centre brussels (msf-ocb). data were collected routinely from patients by msf, and approval for access to these data can be granted on a case-by-case basis after consultation with the msf-operational research coordination. where applicable, country level permission and consultation with the msf ethics review board (erb) may be required. this process is designed to protect patient confidentiality, prevent social harms, and ensure community benefits where possible. these aspects might be compromised if data were publicly available without the above process. requests to access data should be made to the medical director of msf-ocb: dr bertand draguez, medical director, médecins sans frontières, operational centre brussels, rue de l'arbre bénit, 46 brussels, 1050, belgium email: bertrand.draguez@brussels.msf.org.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>