Acknowledgements
We would like to thank Gertrud Strömbäck, Hanna-Karin Göransson and Anna-Maria Lind, Department of Radiotherapy, and Anna Weddig at the Clinical Research Unit at the Department of Oncology, Skåne University Hospital for gathering and processing the blood samples and Kristina Aaltonen, Sara Baker and Kristina Lövgren at the Department of Oncology and Pathology for undertaking the CellSearch-based CTC analysis. We acknowledge financial support from Berta Kamprad Cancer Foundation.
Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.