1. Department of DermatologyUniversity Hospital Hamburg‐EppendorfUniversity of Hamburg Hamburg Germany
2. Department of DermatologyTohoku University School of Medicine Sendai Japan
3. Institute for ImmunologyClinical Pathology and Molecular Medicine Hamburg Germany
4. Department of BiochemistryUniversity of Kuopio Kuopio Finland
5. Department of Pharmaceutical SciencesTohoku University Hospital Sendai Japan
6. Department of DermatologyUniversity Hospital Schleswig‐HolsteinUniversity of Lübeck Lübeck Germany