Suzanne de Bruijn

115 A RIPOR2 deletion is a frequent cause of adult-onset hearing loss ACKNOWLEDGEMENTS The authors thank José van den Broek, Herman Kok, Lisanne Schenk, Daniëlle Manders, Karin Krommenhoek and Jacquelien Jilissen for their contributions to clinical evaluations and Saskia van der Velde-Visser for her contributions in EBV transformations and cell culture. We would like to thank Sita Vermeulen, Galuh Astuti and Hanka Venselaar for their contribution to statistical and bioinformatic analyses. This study was financially supported by a DCMN Radboudumc grant, by a grant of the Heinsius-Houbolt foundation and an NIH/NIDCD (R01 DC017147) grant. CONSORTIA DOOFNL consortium : The DOOFNL consortium is a Dutch nationwide collaboration on hereditary hearing loss and consists of M.F. van Dooren, H.H.W. de Gier, E.H. Hoefsloot, M.P. van der Schroeff (ErasmusMC, Rotterdam, the Netherlands), S.G. Kant, L.J.C. Rotteveel, F.G. Ropers (LUMC, Leiden, the Netherlands), J.C.C.Widdershoven, J.R. Hof, E.K. Vanhoutte (MUMC+, Maastricht, the Netherlands), R.J.C. Admiraal, I. Feenstra, H. Kremer, C.P. Lanting, R.J.E. Pennings, H.G. Yntema (Radboudumc, Nijmegen, the Netherlands), R.H. Free and J.S. Klein Wassink-Ruiter (UMCG, Groningen, the Netherlands), R.J. Stokroos, A.L. Smit, M.J. van den Boogaard (UMC, Utrecht, the Netherlands) and F.A. Ebbens, S.M. Maas, A. Plomp, T.P.M. Goderie, P. Merkus and J. van de Kamp (Amsterdam UMC, Amsterdam, the Netherlands).