1 Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.; Section of Vascular Surgery, Cardio Thoracic Vascular Department, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.. Electronic address: santi.trimarchi@unimi.it.
2 Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.
3 Department of Cardiac Surgery, University of Michigan, Ann Arbor, Michigan.
4 Cardiovascular Center, University of Michigan, Ann Arbor, Michigan.