Cover Image. - Escobar, Miguel; Castaman, Giancarlo; Boix, Santiago Bonanad; Callaghan, Michael; de Moerloose, Philippe; Ducore, Jonathan; Hermans, Cédric; Journeycake, Janna; Leissinger, Cindy; Luck, James; Mahlangu, Johnny; Miesbach, Wolfgang; et al. (Haemophilia, 2021)