Peter M Lydyard is an Emeritus Professor of Immunology at University College London. UK and an Associate Professor at the University of Georgia, Tbilisi, Georgia.

Michael F Cole is an Emeritus Professor of Microbiology and Immunology, Georgetown University, Washington, DC, USA.

Nina Porakishvili is a Principal lecturer in Immunology at the University of Westminster, London, UK and Professor and Head of the Institute of Molecular Medicine, University of Georgia, Tbilisi, Georgia.

PML and NP's research interests are the immunobiology and immunotherapy of Chronic Lymphocytic Leukemia and cancer vaccines. MFC's research interest is the interplay between the commensal microbiota and the mucosal immune system of humans with focus on the oral cavity.