1. Department of Otolaryngology–Head and Neck Surgery, Wayne State University School of Medicine, Detroit, Michigan, USA
2. Children’s Hospital of Michigan, Detroit Medical Center, Detroit, Michigan, USA
3. Department of Otolaryngology, University of Tennessee Health Science Center, Memphis, Tennessee, USA
4. Department of Pediatric Otolaryngology, LeBonheur Children’s Hospital, Memphis, Tennessee, USA
5. Barbara Ann Karmanos Cancer Institute, Detroit, Michigan, USA