Auditory cortex is implicated in tinnitus distress: a voxel-based morphometry study - Martin Schecklmann; Astrid Lehner; Timm B. Poeppl; Peter M. Kreuzer; Rainer Rupprecht; Julia Rackl; Julia Burger; Elmar Frank; Göran Hajak; Berthold Langguth; Michael Landgrebe (Brain Structure and Function, 2013)