1. Smell and Taste Clinic, Department of Otorhinolaryngology, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden , 01307 Dresden , Germany
2. Institute for Materials Science, Technische Universität Dresden , 01062 Dresden , Germany
3. Department of Psychotherapy and Psychosomatics, Technische Universität Dresden , 01062 Dresden , Germany
4. Department of Clinical Psychology, Friedrich-Schiller-University of Jena , 07743 Jena , Germany
5. Institute of Physical Chemistry, Friedrich-Schiller-University of Jena , 07743 Jena , Germany