1. Department of Otolaryngology-Head and Neck Surgery, Philadelphia College of Osteopathic Medicine, Philadelphia, PA, USA;
2. Department of Pediatric General, Thoracic, and Minimally Invasive Surgery, Drexel University College of Medicine, St. Christopher’s Hospital for Children, Philadelphia, PA, USA;
3. Department of Pathology and Laboratory Medicine, Drexel University College of Medicine, St. Christopher’s Hospital for Children, Philadelphia, PA, USA;
4. Department of Internal Medicine, Medical College of Wisconsin, Milwaukee, WI, USA