Elia Leoni Giulia Cencetti Gabriele Santin Timofei Istomin Davide Molteni Gian Pietro Picco Elisabetta Farella Bruno Lepri Amy L. Murphy Measuring close proximity interactions in summer camps during the COVID-19 pandemic. 5 2022 11 EPJ Data Sci. 1 https://doi.org/10.1140/epjds/s13688-022-00316-y db/journals/epjds/epjds11.html#LeoniCSIMPFLM22