Fig. 2

Flow diagram of the randomized clinical trial. Diagram of the randomized clinical trial. Detailed information about volunteer recruitment and selection and follow-up during the 12 weeks. Abbreviations: 6MWT six-minute walk test, BMI body mass index, CG control group, ESS Epworth Sleepiness Scale, FFQ food frequency questionnaire, PSQI Pittsburgh Sleep Quality Index, IWQOL-LITE questionnaire on the Impact of Weight on Quality of Life-lite, WG water group