- Correspondence to Dr Margarete Odenthal, Institute of Pathology, University Hospital of Cologne, Kerpener Str. 62, Koeln 50924, Germany;
- Received 11 January 2017
- Revised 27 February 2017
- Accepted 28 February 2017
- Published online 19 July 2017.
Abstract in German
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- Abstract in German - Online abstract
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