The EHA Research Roadmap: Normal Hematopoiesis. Issue 12 (30th December 2021) - Jaffredo, Thierry; Balduini, Alessandra; Bigas, Anna; Bernardi, Rosa; Bonnet, Dominique; Canque, Bruno; Charbord, Pierre; Cumano, Anna; Delwel, Ruud; Durand, Charles; Fibbe, Willem; Forrester, Lesley; et al.