Response by Coutance et al to Letter Regarding Article, "Identification and Characterization of Trajectories of Cardiac Allograft Vasculopathy After Heart Transplantation: A Population-Based Study". Issue 23 (8th December 2020) - Coutance, Guillaume; Raynaud, Marc; Patel, Jignesh K.; Kobashigawa, Jon A.; Loupy, Alexandre