Cardiorespiratory Fitness in Children and Adolescents After Cancer Treatment.

"Four parts:~1. Initial consultation with recommendations for general physical activity, brochure with exercise recommendations~2. Once per week multi-modal group-based exercise (endurance, strength, mobility, coordination)~3. Once per week supervised multi-modal individual training session (endurance, strength, mobility, coordination). Intensity: 60-80% of max. HR~4. Activity trackers with individual movement goals that will be adjusted every two weeks"