1 The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA.
2 Cardiology and Cardiac Surgery, The Hartford Hospital, Hartford, Connecticut, USA.
3 The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA. wei.sun@bme.gatech.edu.