1. Institute of Medical Psychology Justus‐Liebig‐University Gießen Germany
2. Dermatological Allergology, Department of Dermatology and Allergy Charité ‐ Universitätsmedizin Berlin Berlin Germany
3. CharitéCentrum 12 for Internal Medicine and Dermatology, Department of Psychosomatic Medicine and Psychotherapy Charité‐Universitätsmedizin Berlin Berlin Germany
4. Clinics for Dermatology and Allergology Justus‐Liebig‐University Gießen Germany
5. Psychoneuroimmunology Laboratory, Department of Psychosomatic Medicine and Psychotherapy Justus‐Liebig‐University Gießen Germany