Online PhD conferral mrs. Jessie J.M. Meis, MSc. 29 June 2020 10:00 Supervisors: prof.dr. Stef Kremers, prof.dr.ir. Annemie Schols, prof.dr. Nanne de Vries "Make it last: the more, the better … or less is more? Physical activity motivation among participants of various lifestyle interventions"