- Correspondence to Mohamed Abdel-Wahab, Heart Center, Segeberger Kliniken GmbH, Academic Teaching Hospital of the Universities of Kiel & Hamburg, Am Kurpark 1, 23795 Bad Segeberg, Germany;
- Received December 8, 2013
- Revised April 19, 2014
- Accepted May 5, 2014
- First published June 3, 2014.
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