Dr. Marks received his MD from Temple University School of Medicine and is currently professor and chair of dermatology at Penn State University as well as co-author of Lookingbill and Marks’ Principles of Dermatology, 5th Edition.

Dr. Marschall received her MD from Georgetown University School of Medicine and is an assistant professor of anesthesiology at Yale University. She is co-author of Stoelting's Anesthesia and Co-Existing Disease.

Randolph S. Marshall, MD, MS the Elisabeth K. Harris Professor of Neurology at Columbia University College of Physicians and Surgeons in New York City; Chief of the Stroke Division, and Attending Neurologist on the Stroke Service at New York-Presbyterian Hospital. He is the lead author of On Call Neurology, 4th Edition.   MORE

Dr. Martin is a well-known author of numerous texts within the field of pediatrics and neonatology, including Fanaroff and Martin's Neonatal-Perinatal Medicine, 9th Edition. He is currently a professor at Case Western Reserve University.

Santiago Martínez-Jiménez, MD is Professor of Radiology, University of Missouri-Kansas City, Department of Radiology, Saint Luke’s Hospital of Kansas City, Kansas City, Missouri. He is a co-author of Specialty Imaging: HRCT of the Lung, 2nd Edition. MORE