1 Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, USA.
2 Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Campus Guadalajara, Jalisco, Mexico.
3 Department of Thoracic and Cardiovascular Surgery, College of Medicine, Chungbuk National University and Chungbuk National University Hospital, Cheongju, Korea.