In reply: Blu-ray beyond music and movies—novel approach to diagnostics measuring specific extracellular vesicles

We are grateful to Kristensen et al. (1) forreviewing our study describing a novel approach to diagnostics measuringspecific extracellular vesicles (exosomes), called ExoCounter, based on opticaldisc and nano-bead technology, which was recently published in ClinicalChemistry (2).