1. Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan, 6068507.
2. Present address: Laboratory of Biomimetic Materials for Regenerative Medicine, College of Chemistry, Chemical Engineering Biotechnology, Donghua University, Shanghai 20162, China.
3. Present address: Platform Biological Sciences, Sunnybrook Research Institute, Sunnybrook Health Science Centre, University of Toronto, Toronto, Ontario, M4N 3M5, Canada.