Probabilistic and Piecewise Deterministic models in Biology Bertrand Cloez, Renaud Dessalles, Alexandre Genadot, Florent Malrieu, Aline Marguet and Romain Yvinec ESAIM: Procs, 60 (2017) 225-245 Published online: 14 December 2017 DOI: 10.1051/proc/201760225