1. Department of Bioengineering University of Pennsylvania Philadelphia Pennsylvania U.S.A.
2. Department of Surgery, Division of Otolaryngology Children's Hospital of Philadelphia Philadelphia Pennsylvania U.S.A.
3. Department of Otorhinolaryngology‐Head and Neck Surgery Perelman School of Medicine at the University of Pennsylvania Philadelphia Pennsylvania U.S.A.
4. Department of Pediatrics, Division of Pulmonary Medicine Children's Hospital of Philadelphia Philadelphia Pennsylvania U.S.A.
5. Ri.MED Foundation Palermo Italy