- Correspondence to Markus M Lerch, Department of Medicine A, Universitätsmedizin, Ernst-Moritz-Arndt-Universität Greifswald, Ferdinand-Sauerbruch-Strasse, D-17475 Greifswald, Germany;
- Received December 5, 2012
- Revised October 24, 2013
- Accepted October 27, 2013
- First published November 25, 2013.
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