- Correspondence to Dr Karl-Philipp Rommel, Herzzentrum Leipzig, Universitätsklinik, Abteilung für Kardiologie, Strümpellstr. 39, Leipzig DE-04289, Germany;
- Received March 12, 2014
- Revised April 1, 2014
- Accepted April 3, 2014
- First published August 6, 2014.
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