Hasselt University is conducting a survey on the influence of certain lifestyle factors on the development of tinnitus as part of a doctoral thesis. In the meantime, many people with tinnitus have completed the survey, but they are still looking for control participants without tinnitus . So if you do NOT have tinnitus yourself or if you can motivate people in your environment to participate in a study as control subjects, please click on the following link in order to get more information about the study and to participate in the survey.