PubMed:: ("Cochlear Implantation"[Mesh] OR Cochlear Implant*[tiab] OR "cochlea prosthesis"[tiab] OR "cochlea prostheses"[tiab] OR "cochlea implant"[tiab] OR "cochlea implants"[tiab] OR "cochlea implantation"[tiab] OR "hearing prosthesis"[tiab] OR "hearing prostheses"[tiab] OR "Bone-anchored hearing aids"[tiab] OR "Bone-anchored hearing aid"[tiab] OR baha[tiab]);; Embase.com:: ('cochlea prosthesis'/exp OR 'cochlea prosthesis':ti,ab OR 'cochlea prostheses':ti,ab OR 'cochlea implant':ti,ab OR 'cochlea implants':ti,ab OR 'cochlea implantation':ti,ab OR 'Cochlear Implant':ti,ab OR 'Cochlear Implants':ti,ab OR 'Cochlear Implantation':ti,ab OR 'hearing prosthesis':ti,ab OR 'hearing prostheses':ti,ab OR 'Bone-anchored hearing aids':ti,ab OR 'Bone-anchored hearing aid':ti,ab OR baha:ti,ab)