1. From the Department of Cardiology (S.A.J.C., M.v.d.N., A.O.K.) and Regenerative Medicine Center Utrecht (S.A.J.C., M.v.d.N.), University Medical Center Utrecht, The Netherlands; European Society of Cardiology Working Group on Cardiovascular Regenerative and Reparative Medicine (CARE), Biot, France (S.A.J.C., A.M.C., F.F.-A.); Department of Cardiology, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón, Universidad Complutense, CIBERCV, Madrid,...