Christopher Hartnick, M.D. Dr. Hartnick is an Associate Professor at Harvard Medical School and has clinical appointments at the Newton-Wellesley Hospital, Newton, MA and the Department of Otolaryngology Massachusetts Eye and Ear Infirmary, Boston, MA, where he is also Co-Director of the, Pediatric Airway, Voice, and Swallowing Center. Mark Boseley, M.D. Lieutenant Colonel Boseley is Associate Professor of Surgery at the Uniformed Services University of the Health Sciences in Washington D.C., Assistant Chief of Otolaryngology/Research Director at Madigan Army Medical Center in Tacoma, WA, and has a clinical appointment at the Children's Hospital and Regional Medical Center in Seattle, WA.