1. Department of Otolaryngology, Loma Linda University, Loma Linda, California, USA
2. Division of Pediatric Otolaryngology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
3. Department of Audiology, Karolinska University Hospital, Stockholm, Sweden
4. Division of Audiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
5. Department of Otolaryngology, University of Lund, Lund, Sweden
6. Department of ORL-HNS, Gazi University, Ankara, Turkey
7. House Ear Institute, Los Angeles, California, USA
8. Division of Audiology, Ohio State University, Columbus, Ohio, USA
9. Department of Otolaryngology, Ajou University, Suwon, Korea
10. Division of Audiology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
11. Department of Otolaryngology, University of Porto, Porto, Portugal