Correction to: Impact of a combined multimodal-aerobic and multimodal intervention compared to standard aerobic treatment in breast cancer survivors with chronic cancer-related fat... oleh Matthias Kröz, Marcus Reif, Augustina Glinz, Bettina Berger, Andreas Nikolaou, Roland Zerm, Benno Brinkhaus, Matthias Girke, Arndt Büssing, Christoph Gutenbrunner, On behalf of the CRF-2 study group