Francesco Paneni, Sarah Costantino, Francesco Cosentino, Cardiology Unit, Department of Medicine, Karolinska University Hospital, 17176 Stockholm, Sweden
Author contributions: Paneni F and Costantino S developed the concept and wrote the manuscript; Cosentino F revised the manuscript for important intellectual content.
Conflict-of-interest: The authors do not have any conflict of interest with regard to the present article.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Francesco Paneni, MD, PhD, FESC, Cardiology Unit, Department of Medicine, Karolinska University Hospital, Solna, 17176 Stockholm, Sweden. email@example.com
Telephone: +46-8-51779413 Fax: +46-8-344964
Received: September 22, 2014
Peer-review started: September 23, 2014
First decision: November 3, 2014
Revised: November 20, 2014
Accepted: December 29, 2014
Article in press: December 31, 2014
Published online: March 15, 2015