Nooijen, C. F.; Stam, H. J.; Schoenmakers, I.; Sluis, T. A.; Post, M. W.; Twisk, J. W.; Research group, A.-A.; van den Berg-Emons, R. J. Working Mechanisms of a Behavioural Intervention Promoting Physical Activity in Persons With Subacute Spinal Cord Injury. JRM 2016, 48, 583-588.