Auditory Group, Medical School, University of Newcastle, Newcastle upon Tyne, United Kingdom.|Auditory Group, Medical School, University of Newcastle, Newcastle upon Tyne, United Kingdom.|Auditory Group, Medical School, University of Newcastle, Newcastle upon Tyne, United Kingdom.|Auditory Group, Medical School, University of Newcastle, Newcastle upon Tyne, United Kingdom.|Auditory Group, Medical School, University of Newcastle, Newcastle upon Tyne, United Kingdom.