1. Department of Psychology and Neuroscience, Duke University, Durham, NC, USA
2. North American Research Laboratory, MED-EL Corporation, Durham, NC, USA
3. Instituto de Neurociencias de Castilla y Leon, University of Salamanca, Salamanca, Spain
4. Departamento de Cirugía, Facultad de Medicina, University of Salamanca, Salamanca, Spain
5. Instituto de Investigación Biomédica de Salamanca, Universidad de Salamanca, Salamanca, Spain