Conservative therapy for the treatment of patients with somatic tinnitus attributed to temporomandibular dysfunction: study protocol of a randomised controlled trial oleh Sarah Michiels, Annemarie Christien van der Wal, Evelien Nieste, Paul Van de Heyning, Marc Braem, Corine Visscher, Vedat Topsakal, Annick Gilles, Laure Jacquemin, Marianne Hesters, Willem De Hertogh