PhD conferral Mr Bernard M.F.M. Duvivier, MSc. 27 October 2017 12:00 Supervisors: prof.dr. H.H.C.M. Savelberg; prof.dr. N.C. Schaper Co-supervisor: dr.ir. A. Koster “Sit less or exercise more? Impact of interventions reducing sedentary behaviour on cardiovascular risk factors”