| Authors: |
Zielonkowski S; Department of Phoniatrics and Pediatric Audiology, University Hospital Muenster, University of Muenster, Muenster, Germany., Mathmann P; Department of Phoniatrics and Pediatric Audiology, University Hospital Muenster, University of Muenster, Muenster, Germany.; Department of Otorhinolaryngology, Head and Neck Surgery, Johannes Wesling Klinikum Minden, Ruhr-University Bochum, Minden, Germany.; South African College of Music, University of Cape Town, Cape Town, South Africa., Naghipour A; Department of Phoniatrics and Pediatric Audiology, University Hospital Muenster, University of Muenster, Muenster, Germany., Wasmuth S; Department of Phoniatrics and Pediatric Audiology, University Hospital Muenster, University of Muenster, Muenster, Germany., Prein L; Department of Phoniatrics and Pediatric Audiology, University Hospital Muenster, University of Muenster, Muenster, Germany., Parfitt R; Department of Phoniatrics and Pediatric Audiology, University Hospital Muenster, University of Muenster, Muenster, Germany., Brannath W; Competence Center for Clinical Trials Bremen, University of Bremen, Bremen, Germany., Scharpenberg M; Competence Center for Clinical Trials Bremen, University of Bremen, Bremen, Germany., Jankovic V; Competence Center for Clinical Trials Bremen, University of Bremen, Bremen, Germany., Neumann A; Institute for Health Care Management and Research, University of Duisburg-Essen, Essen, Germany., Schwarze K; Institute for Health Care Management and Research, University of Duisburg-Essen, Essen, Germany., Schäfer K; Institute for Special Needs Education (d/Deaf and Hard of Hearing), University of Duisburg-Essen, Germany., Speckemeier C; Essener Forschungsinstitut fuer Medizinmanagement-EsFoMed GmbH, Essen, Germany., Gietmann C; Department of Phoniatrics and Pediatric Audiology, University Hospital Muenster, University of Muenster, Muenster, Germany., Neumann K; Department of Phoniatrics and Pediatric Audiology, University Hospital Muenster, University of Muenster, Muenster, Germany. |
