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IndiaAlain Hospital
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AustraliaHacettepe University
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ColombiaLes mandariniers private clinic
AlgeriaGeneral Hospital of Thessaloniki
GreeceClínica de Fonoaudiologia Alzira Parolo
BrazilGeneral Hospital of Thessaloniki
GreeceUniversity of Ioannina
GreeceMediar Audiologia
BrazilCEFAC
BrazilItalian University Institute of Rosario
BrazilUniCesumar
BrazilFEF-SP
BrazilFederal Scientific Clinical Center of Otorhinolaryngology
RussiaSichuan Cancer Center
ChinaLamar University
USARespira Libre
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BrazilPrimary HealthCare Corporation
QatarPrivate Clinic
BrazilAbha Maternity & Paediatrics Hospital
Saudi ArabiaAlexandria University
EgyptShahid Beheshti University of Medical Sciences
IranSur Hospital
OmanPosen Kao’s Otolaryngologic Clinic
TaiwanFederal Scientific Clinical Center
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TaiwanFederal Scientific Clinical Center
RussiaFederal Scientific Clinical Center
RussiaUniversity of Buenos Aires
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