“…The duration of the exercise period varied from 10 days (Knubben et al, 2007; Legrand and Neff, 2016), to 6 weeks (Kerling et al, 2015), 10 weeks (Mather et al, 2002), 3 months (Mota-Pereira et al, 2011), 4 months (Carneiro et al, 2015), 6 months (Murri et al (2015), 8 months (Pilu et al, 2007), 12 months (Chalder et al, 2012), to throughout a hospitalization period (undefined time period) (Schuch et al, 2011, 2015). Control groups included antidepressants only (Mather et al, 2002; Pilu et al, 2007; Mota-Pereira et al, 2011; Schuch et al, 2011, 2015; Chalder et al, 2012; Carneiro et al, 2015; Kerling et al, 2015), light exercise with both exercise groups receiving antidepressants (Knubben et al, 2007; Legrand and Neff, 2016), and antidepressants only (Murri et al, 2015). The exercise mode included mostly aerobics (Knubben et al, 2007; Mota-Pereira et al, 2011; Schuch et al, 2011, 2015; Kerling et al, 2015; Murri et al, 2015; Legrand and Neff, 2016) or aerobic and strength (Pilu et al, 2007); aerobic, strength, and stretching exercises (Mather et al, 2002 ) ; aerobics and strength exercises, games and dancing (Carneiro et al, 2015), and facilitated physical activity chosen and performed individually by participants (Chalder et al, 2012).…”