1. Department of Otorhinolaryngology, Shinshu University School of Medicine, Matsumoto, Japan
2. Molecular Otolaryngology and Renal Research Laboratories, Department of Otolaryngology – Head and Neck Surgery, University of Iowa, Iowa City, IA, USA
3. Department of Otolaryngology – Head and Neck Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
4. Department of Otolaryngology Head and Neck Surgery, Keck School of Medicine of USC, University of Southern California, Los Angeles, CA, USA
5. Raymond G. Perelman Center for Cellular and Molecular Therapeutics, The Children’s Hospital of Philadelphia Research Institute, Philadelphia, PA, USA