John A Elefteriades1, Bulat A Ziganshin2. 1. Aortic Institute at Yale-New Haven Hospital, Yale University School of Medicine, New Haven, Conn. Electronic address: john.elefteriades@yale.edu. 2. Aortic Institute at Yale-New Haven Hospital, Yale University School of Medicine, New Haven, Conn; Department of Surgical Diseases #2, Kazan State Medical University, Kazan, Russia.