Corresponding Author:
Prof. Marie-Charlotte Brüggen; MD PhD
Department of Dermatology, Allergy Unit
University Hospital Zurich
Gloriastrasse 31
CH- 8091 Zurich, Switzerland
Tel.: +41 44 255 11 11; Fax: +41 44 255 43 45
E-Mail: marie-charlotte.brueggen@usz.ch
Funding sources: The study was funded by the University Zurich.
Conflicts of interest: The authors have no conflict of interest
to declare.
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