1. Laboratory of Rare Human Circulating Cells (LCCRH) University Medical Centre of Montpellier Montpellier France
2. CREEC/CANECEV MIVEGEC (CREES) University of MontpellierCNRSIRD Montpellier France
3. Department of Tumor Biology University Cancer Center HamburgUniversity Medical Center Hamburg‐Eppendorf Hamburg Germany