1. Translational and Correlative Studies Laboratory; Abramson Family Cancer Research Center; Perelman School of Medicine; University of Pennsylvania; PA USA
2. Institute for Research in Biomedicine; Bellinzona Switzerland
3. ImmunoTechnology Section; Vaccine Research Center; National Institute of Allergy and Infectious Diseases; National Institutes of Health; Bethesda MD USA
4. Unit of Clinical and Experimental Immunology; Humanitas Clinical and Research Center; Rozzano (MI) Italy