Dr. Kern is author of the Cardiac Catheterization Handbook and is currently a professor & Cardiology Chief at the University of California, Irvine as well as Cardiology Chief at Long Beach Veterans Administration Hospital.

Bradley W. Kesser, MD is Professor of Otolaryngology – Head and Neck Surgery at the University of Virginia Health System in Charlottesville, Virginia. He is a co-author of . MORE

Dr. Kessler received his MD from Tulane University and is currently a professor and attending hematologist/oncologist at Georgetown University as well as co-author of Consultative Hemostasis and Thrombosis, 3rd Edition.

Dr. Kester received his PhD from the State University of New York, Buffalo and is currently a pharmacology professor at Penn State Hershey College of Medicine as well as co-author of Elsevier's Integrated Review: Pharmacology, 2nd Edition.

Dr. Keystone received his MD from the University of Toronto Medical School where he is currently a professor and senior staff physician in the Tropical Disease Unit at Toronto General Hospital. He is an author of Travel Medicine, 3rd Edition.