min at 4°C. Fluorescence-activated cell sorting and analysis were performed on a BD Special
Order FACS Aria II system and Diva v6.1.1 (BD Biosciences). Live single cells were gated based on
scatter properties and analyzed for their surface marker expression as previously described
[15 (link)]. Antibodies used for FACS include Epcam-PE
(Miltenyi Biotech), CD44−FITC (ebioscience), and CD49f-APC (BioLegend).