Monte Carlo simulation of proton track structure in biological matter Michele A. Quinto, Juan M. Monti, Philippe F. Weck, Omar A. Fojón, Jocelyn Hanssen, Roberto D. Rivarola, Philippe Senot and Christophe Champion Eur. Phys. J. D, 71 5 (2017) 130 Published online: 25 May 2017 DOI: 10.1140/epjd/e2017-70709-6