1. Speech Science, School of Psychology, The University of Auckland, Auckland, New Zealand;
2. Eisdell Moore Centre, Research in Hearing and Balance, Auckland, New Zealand;
3. Departamento de Otoneurología, Instituto de Neurocirugía Dr Alfonso Asenjo, Santiago, Chile;
4. Servicio de Otorrinolaringología, Hospital Padre Hurtado, Santiago, Chile