Christie, DerekKaufmann, VincentRavalet, Emmanuel2022-08-012022-08-012022-06-0110.1016/j.jth.2022.101419https://infoscience.epfl.ch/handle/20.500.14299/189649WOS:000828751300004Public, Environmental & Occupational HealthTransportationPublic, Environmental & Occupational HealthTransportationHow And Why Do "Frequent Walkers" Integrate 1-2 Hours Of Daily Walking Into Already Busy Schedulestext::conference output::conference proceedings::conference paper