- Correspondence to Prof. Dr. Georg Hansmann, FESC, FAHA, Department of Paediatric Cardiology and Critical Care, Hannover Medical School, Carl-Neuberg-Str. 1, Hannover 30625, Germany;
- Received November 29, 2015
- Revised January 6, 2016
- Accepted January 18, 2016
- First published April 6, 2016.
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