A Nanoparticle Tracking Analyser (NTA) (Malvern Instruments Ltd., Malvern, UK) with an LM14 view unit, blue laser (405 nm, 70 mW) and an sCMOS camera (Hamamatsu Photonics, Hamamatsu, Japan) was used to measure the size-distribution and concentration of EVs. Triplicate measurements under con...