1 Population Health Research Institute, McMaster University, Hamilton, ON, Canada.
2 Population Health Research Institute, McMaster University, Hamilton, ON, CanadaClinica di Cardiologia, Università Politecnica delle Marche, Ancona, Italy.
3 Medical University of South Carolina, Charleston, SC.
4 Clinica di Cardiologia, Università Politecnica delle Marche, Ancona, Italy.
5 Cardiology Department, Loreto Mare, Napoli, Italy.
6 Queen Mary Hospital, Department of Medicine, University of Hong Kong, Hong Kong, China.
7 University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
8 J.W.GoetheUniversity, Frankfurt, Germany.
9 St. Jude Medical, Sylmar, CA, Zaventem, Belgium.