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| Study author, year | Statistically significant outcome | Length of intervention (months) | Length of follow-up | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| <3 | 3–9 | 9–12 | >12 | <3 | 3–9 | 9–12 | >12 | |||
| Fischer et al., 2012 | x | x | ||||||||
| Lorig et al., 2010 | x | x | ||||||||
| Tobe et al., 2018 | x | |||||||||
| Venter et al., 2012 | x | x | ||||||||
| Whealin et al., 2017 | x | |||||||||
| Williams et al., 2017 | x | x | ||||||||
