Data analysis
The baseline characteristics of the participants were calculated using descriptive statistics. The between-group differences and 95% confidence interval (95%IC) for the post-treatment outcomes at 8 weeks and 16 weeks follow-up were calculated using linear mixed models using interaction terms of treatment group versus time. An intention-to-treat approach will be used in all statistical analyses. Per-protocol analyzes will also be performed, including only participants from the experimental group arm who adhere to the intervention (i.e., having performed at least 12 of the 16 training sessions). For the intention-to-treat analyses, the incomplete data (i.e., missing values) were estimated using multiple data imputation techniques through statistical software. All statistical analyzes will be performed using the SPSS statistical software (Statistical Package Social Science), version 20.0 for Windows (IBM corporation, Somers, New York, USA).