- Correspondence to Dr Xavier Bosch, Department of Internal Medicine, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic, University of Barcelona, Villarroel 170, O8036-Barcelona, Spain;
- Received September 7, 2013
- Revised December 22, 2013
- Accepted January 13, 2014
- First published February 6, 2014.
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