1. Department of Medicine, University of Mississippi Medical Center, Jackson, MS, USA.
2. Department of Cardiology (CVK), and Berlin Institute of Health Center for Regenerative Therapies (BCRT), German Center for Cardiovascular Research (DZHK) Partner Site Berlin, Charité Universitätsmedizin Berlin, Berlin, Germany.
3. Baylor Scott and White Research Institute, Dallas, TX, USA.