“…Then, the suspension was incubated for 30 min with an antibody cocktail for T/B/NK cells identification (Rat T/B/ NK Cell Cocktail, BD Biosciences, San Jose, USA), protected from light at 4 °C. The cell suspensions were washed two more times with cytometry buffer and then analyzed by flow cytometry (FACSCalibur, BD Biosciences, San Jose, USA) [26].…”