Patrick R. Murray, PhD, Senior Worldwide Director, Scientific Affairs, BD Diagnostics, Sparks, Maryland, Adjunct Professor, Department of Pathology, University of Maryland School of Medicine, Baltimore, Maryland, Ken S. Rosenthal, PhD, Professor of Immunology, Augusta University/University of Georgia Medical Partnership, Athens, GA.; Emeritus Professor, Northeast Ohio Medical University, Rootstown, Ohio and Michael A. Pfaller, MD, Chief Medical Officer, T2 Biosystems, Lexington, Massachusetts, Professor Emeritus, University of Iowa College of Medicine and College of Public Health, Iowa City, Iowa