Hearing Loss, Sensorineural

• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States
• Harvard Medical School — Boston, Massachusetts, United States
• Cleveland Clinic Foundation Childrens Hospital — Cleveland, Ohio, United States
• Sun Yat-Sen University — Guangzhou, China

• University of Florida — Gainesville, Florida, United States

• University of Michigan — Ann Arbor, Michigan, United States

Not specified

• Massachusetts Eye and Ear Infirmary — Boston, Massachusetts, United States
• Saint Elizabeth's Medical Center — Brighton, Massachusetts, United States
• Hudson Valley Audiology Center — New City, New York, United States

• London School of Hygiene and Tropical Medicine — London, United Kingdom

• University of Michigan — Ann Arbor, Michigan, United States

• James H. Quillen VA Medical Center — Mountain Home, Tennessee, United States

• VA Medical Center, Portland — Portland, Oregon, United States

• LMU Munich Klinikum Grosshadern — Munich, Germany