Time trends in social contacts before and during the COVID-19 pandemic: the CONNECT study. - Drolet M; Godbout A; Mondor M; Béraud G; Drolet-Roy L; Lemieux-Mellouki P; Bureau A; Demers É; Boily MC; Sauvageau C; De Serres G; Hens N; et al. (BMC public health, 2022)