1 Veterans Affairs Medical Center, Washington, DC, USA.
2 George Washington University, Washington, DC, USA.
3 Georgetown University, Washington, DC, USA.
4 University of Montreal, Montreal, Québec, Canada.
5 Department of Cardiology and Pneumology, University Medicine Göttingen (UMG) and German Center for Cardiovascular Research (DZHK), Göttingen, Germany.
6 Division of Cardiology and Metabolism - Heart Failure, Cachexia & Sarcopenia; Department of Cardiology (CVK); and Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Charité University Medicine, Berlin, Germany.