Status and Trends of Physical Activity Surveillance, Policy, and Research in 164 Countries: Findings From the Global Observatory for Physical Activity-GoPA! 2015 and 2020 Surveys

Ramirez Varela, Andrea; Hallal, Pedro C.; Mejia Grueso, Juliana; Pedisic, Zeljko; Salvo, Deborah; Nguyen, Anita; Klepac, Bojana; Bauman, Adrian; Siefken, Katja; Hinckson, Erica; Oyeyemi, Adewale L.; Richards, Justin; Khidir, Elena Daniela Salih; Inoue, Sh