- Correspondence to Dr Ricardo Niklas Werner, Klinik für Dermatologie, Venerologie und Allergologie, Division of Evidence based Medicine (dEBM), Charité—Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany;
- Received December 5, 2016
- Revised April 12, 2017
- Accepted April 22, 2017
- First published June 21, 2017.
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