The strangest proton? Ferran Faura, Shayan Iranipour, Emanuele R. Nocera, Juan Rojo and Maria Ubiali Eur. Phys. J. C, 80 12 (2020) 1168 Published online: 19 December 2020 DOI: 10.1140/epjc/s10052-020-08749-3