American Academy of Audiology
	Telephone: 800-AAA-2336
	Web address: http://www.audiology.org
American Academy of Otolaryngology–Head and Neck Surgery (AAO-HNS)
	Telephone: 703-836-4444
	Web address: http://www.entnet.org
American Tinnitus Association
	Telephone: 800-634-8978
	Web address: http://www.ata.org
Hear USA
	Web address: http://www.hearusa.com
National Institute on Deafness and Other Communication Disorders
	Telephone: 800-241-1044
	Web address: http://www.nidcd.nih.gov