Reliability and validity of the Mexican teachers' physical activity questionnaire (MTPAQ) in a subsample of female Mexican teachers. - Medina, C.; Monge, A.; Romero, M.; López-Ridaura, R.; Barquera, S.; Romieu, I.; Denova-Gutiérrez, E.; Lajous, M. (BMC Sports Science, Medicine & Rehabilitation, 2021)