Dr. Oh earned his MD in the Philippines and is currently a pediatrics professor at the Alpert School of Medicine at Brown University. He is the co-author of Nephrology and Fluid/Electrolyte Physiology: Neonatology Questions and Controversies, 2nd Edition.

Dr. Ohls received her MD from the University of Utah and is currently a pediatrics professor at the University of New Mexico as well as co-author of Hematology, Immunology & Infectious Disease: Neonatology Questions & Controversies.

Robert Olympia, MD, FAAP is a pediatric emergency physician in the Department of Emergency Medicine at Penn State Hershey Medical Center, Penn State Hershey Children’s Hospital and Associate Professor in the College of Medicine, Department of Emergency Medicine at Penn State. MORE

Dr. Opie graduated from the University of Cape Town in South Africa and is now a cardiology professor of medicine at the University of Cape Town, as well as a co-author of Drugs for the Heart, 8th Edition.

Dr. Orenstein received his medical degree from the Albert Einstein College of Medicine and is currently a professor at Emory University in Atlanta, Georgia. He is a co-author of Vaccines, 6th Edition.