1 Department of Medicine, University of Cincinnati, Cincinnati, Ohio, USA. Electronic address: https://twitter.com/JVierecke.
2 Division of Cardiology, Columbia University Irving Medical Center, New York, New York, USA. Electronic address: https://twitter.com/EMDeFilippisMD.
3 Division of Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA. Electronic address: mgivertz@bwh.harvard.edu.