“…Subjects in the intervention centers were randomly assigned to the R&S program only, or to both the R&S and AaR intervention programs. However, since the R&S intervention alone was shown to be ineffective (van der Ploeg et al, 2006;van der Ploeg et al, 2007), the current analysis contains only data from the subjects that have received both the R&S and AaR intervention programs and from the control group.…”