Virginia Tech, Blacksburg, United States of America

Maria Curie-Sklodowska University, Lublin, Poland 

Director Leegionella Ltd, United Kingdom

 Institute of Medical Microbiology, University of Zürich, Zürich, Switzerland 

University of Thessaly, Larissa, Greece

University of Pennsylvania, Philadelphia, United States of America

CDC’s National Center for Immunization and Respiratory Diseases, Atlanta, United States of America

 Institut Pasteur, Paris, France