Who is a candidate for cochlear implantation?
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003054:Cochlear Implants; D034381:Hearing Loss / Q000151:congenital / Q000523:psychology / Q000628:therapy*; D006320:Hearing Tests; D006801:Humans; D008875:Middle Aged