CD11c+ dendritic cells mediate antigen‐specific suppression in extracorporeal photopheresis. - Hackstein, H.; Kalina, A.; Dorn, B.; Keil, I. S.; Baal, N.; Michel, G.; Brendel, C.; Neubauer, A.; Jakob, T.; Bein, G. (Clinical & Experimental Immunology, 2021)