Dr. Hakon Hakonarson, MD, is a highly respected pediatric pulmonologist based in Philadelphia, Pennsylvania, with over 37 years of experience. He graduated from the University of Iceland Faculty of Medicine in 1986, and completed his residency in Pediatrics at the University of Connecticut from 1988 to 1991, followed by a fellowship in Pediatric Pulmonology at Children's Hospital of Philadelphia from 1992 to 1995. Dr....