CABP2 and Hearing impairment: Upon receiving a molecular genetic diagnosis of CABP2‐associated hearing impairment, participants can access study materials through multiple ways: a simple Google search for “CABP2 Registry,” the Orphanet CABP2 Registry page, ClinicalTrials.gov (NCT06680934), or the Institute for Auditory Neuroscience Patient Information page (http://www.auditory‐neuroscience.uni‐goettingen.de/cabp2_registry_en.html).