1 Berlin Institute of Health Center for Regenerative Therapies (BCRT) and Department of Cardiology (CVK) - German Centre for Cardiovascular Research (DZHK) partner site Berlin - University Medicine Berlin, Berlin, Germany.
2 Division of Cardiology, Duke University School of Medicine, Durham, NC, USA.
3 Department of Medicine, Ziauddin University, Karachi, Pakistan.
4 National and Kapodistrian University of Athens School of Medicine, Athens University Hospital Attikon, Athens, Greece.
5 University of Warwick, Coventry, UK.
6 Department of Medicine, University of Mississippi, Jackson, Mississippi, USA.