- Correspondence to Dr Eva Björnelius, Section of Dermatology I 43, Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm S-141 86, Sweden;
- Received April 20, 2016
- Revised July 20, 2016
- Accepted July 23, 2016
- First published August 8, 2016.
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