1. Psychoneuroimmunology, Biomedical Research Center, University Medicine Charite, Virchow Campus, Humboldt-University of Berlin Berlin Germany
2. Cutaneous Neuroimmunology, Biomedical Research Center, University Medicine Charité, Virchow and Mitte Campus, Humboldt-University of Berlin Berlin Germany
3. Internal Medicine, PsychosomaticsUniversity Medicine Charité, Mitte Campus, Humboldt-University of Berlin Berlin Germany
4. Dermatology, Medical School, University of Newcastle UK
5. Dermatology, Medical SchoolUniversity of Newcastle UK