[1] Charite Univ Med Berlin, Berlin, Germany
[2] Tech Univ Carolo Wilhelmina Braunschweig, Peter L Reichertz Inst Med Informat, Hannover, Germany
[3] Hearing Ctr Oldenburg GmbH, Oldenburg, Germany
[4] Heidelberg Univ, Inst Med Biometry & Informat, Heidelberg, Germany
[5] Charite Univ Med Berlin, Geriatr Res Grp, Berlin, Germany