- Correspondence to Dr Heike Huempfner-Hierl, Department of Oral & Maxillofacial Plastic Surgery, Leipzig University Hospital, Liebigstr. 12, Leipzig 04103, Germany;
- Received January 16, 2015
- Revised May 12, 2015
- Accepted June 4, 2015
- First published June 18, 2015.
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