%0 Journal Article %T Serendipity and innovation: history and evolution of transthoracic echocardiography %A Antonino Di Franco %A Filippo M. Sarullo %A Jiwon Kim %A Jonathan W. Weinsaft %A Leonard N. Girardi %A Lisa Q. Rong %A Lucas B. Ohmes %A Mario Gaudino %A Silvia Sarullo %A Ylenia Salerno %J SCIE-indexed Journal %D 2017 %R 10.21037/jtd.2017.03.90 %X ¡°I once read a silly fairy tale, called The Three Princes of Serendip: as their highnesses travelled, they were always making discoveries, by accidents and sagacity, of things which they were not in quest of... now do you understand Serendipity?¡±¡ªHorace Walpole (January 28th, 1754 %U http://jtd.amegroups.com/article/view/12583/html