RESEARCH ARTICLE Pure Monosomy and Pure Trisomy of 13q21.2–31.1 Consequent to a Familial Insertional Translocation: Exclusion of PCDH9 as the Responsible Gene for Autosomal Dominant Auditory Neuropathy (AUNA1) Francesca R. Grati,1* Marci M. Lesperance,2 Simona De Toffol,1 Sara Chinetti,1 Angelo Selicorni,3 Sarah Emery,2 Beatrice Grimi,1 Francesca Dulcetti,1 Barbara Malvestiti,1 Joseph Taylor,3 Silvia Milani,1 Anna M. [...]