- Correspondence to Dr Pia Moinzadeh, Department of Dermatology and Venereology, University of Cologne, Kerpener Str. 62, Köln, Cologne 50937, Germany;
- Received August 19, 2013
- Revised November 12, 2013
- Accepted December 10, 2013
- First published January 3, 2014.
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