1 a Neuroscience, Medical School , Aristotle University of Thessaloniki , Thessaloniki , Greece.
2 b Department of Phoniatrics and Pediatric Audiology , Hannover Med School , Hannover , Germany.
3 c Department of Communication Therapy, Faculty of Health Sciences , University of Malta , Msida , Malta.
4 d The Maersk Mc-Kinney Moller Institute , University of Southern Denmark , Odense , Denmark.
5 e Leibniz Institute for Neurobiology , Magdeburg , Germany.
6 f Audio-Phonological Center , St Luc's University Hospital, Université Catholique de Louvain (UcL) , Brussels , Belgium.
7 g Phoniatric and Pediatric Audiological Psychology , University Medical Center Göttingen, Georg- August-University , Göttingen , Germany.
8 h Department of Audiology and Phoniatrics , Nofer Institute of Occupational Medicine , Lodz , Poland.
9 i Department of Hearing-Language-Cochlear Implants , Kbo-Kinderzentrum München , Munich , Germany.
10 j ENT Department , CHU Sart Tilman , Liege , Belgium.
11 k Equipe Audiologie , UMR CNRS 5020, Hospices Edouard Herriot , Lyon , France.
12 l Faculté de Médecine Lyon Est , Universite Claude Bernard Lyon 1 , Villeurbanne , France.
13 m Department of Audiology and Audiological Medicine , Great Ormond Street Hospital , London , UK.
14 n ENT and Audiology Department , Nicosia General Hospital , Nicosia , Cyprus.
15 o Department of Neurosciences , University of Padova , Padova , Italy.
16 p Latvia Children Hearing Center , Riga , Latvia.
17 q Faculty of Psychology , Clnica Barajas, La Laguna University , Santa Cruz de Tenerife , Spain.
18 r Speech Therapy Department, Fac. of Educ. and Rehab. Sciences , University of Zagreb , Zagreb , Croatia.
19 s Faculty of Health Sciences, Audiology Department , Istanbul Aydın University , Istanbul , Turkey.
20 t Department of Otorhinolaryngology-Head and Neck Surgery , University of Zurich, University Hospital Zurich , Zurich , Switzerland.
21 u Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences , NTNU, Norwegian University of Science and Technology , Trondheim , Norway.
22 v ENT Department , Aalesund Hospital , Aalesund , Norway.
23 w Cochlear Implant Unit, Department of Otorhinolaryngology and Head and Neck Surgery , Centro Hospitalar e Universitário de Coimbra , Coimbra , Portugal.
24 x Academic Unit of Audiological Medicine , Institute of Child Health , London , UK , and.
25 y Department of Neuro-otology , National Hospital for Neurology and Neurosurgery , London , UK.