Even when they seem to be using PACE as an example of a trial showing positive change:
Nevertheless, it would go too far to conclude, that
exercise therapy is not effective in persons with burnout at
all, because several studies have reported positive changes
(Bretland and Thorsteinsson, 2015; Heiden et al., 2007;
van Rhenen et al., 2005; Gerber et al., 2013a; 2013b; White
et al., 2011).