Cyt‐Geist: Current and Future Challenges in Cytometry: Reports of the CYTO 2019 Conference Workshops. Issue 12 (13th December 2019) - Czechowska, Kamila; Lannigan, Joanne; Aghaeepour, Nima; Back, Jessica B.; Begum, Julfa; Behbehani, Greg; Bispo, Cláudia; Bitoun, Daniel; Fernández, Alfonso Blanco; Boova, Samuel Tony; Brinkman, Ryan Remy; Ciccolella, Christopher O.; et al.