1. Department of Psychosomatics and PsychotherapyUniversity Hospital Münster, Domagkstr 22, 48149 Muenster Germany
2. Center for Chronic PruritusUniversity Hospital Münster, von Esmarch‐Strasse 56, 48149 Muenster Germany
3. Institute of Medical InformaticsUniversity Hospital Münster, Albert‐Schweitzer‐Campus 1 / A11, 48149 Muenster Germany
4. Department of DermatologyUniversity Hospital Münster, von Esmarch‐Strasse 56, 48149 Muenster Germany