1. Columbia University Vagelos College of Physicians and Surgeons New York New York USA
2. Department of Otolaryngology – Head and Neck Surgery, The Center for Voice and Swallowing Columbia University Irving Medical Center New York New York USA
3. Mary & Michael Jaharis Simulation Center Columbia University Vagelos College of Physicians and Surgeons New York New York USA
4. Department of Medicine – Division of Pulmonary, Allergy and Critical Care Columbia University Irving Medical Center New York New York USA