1. Mammalian Genetics Project, Department of Genome Medicine, Tokyo Metropolitan Institute of Medical Science
2. Laboratory of Experimental Animals, Chiba Cancer Center Research Institute
3. Graduate School of Medical and Dental Sciences, Niigata University
4. Department of Bioproduction, Tokyo University of Agriculture
5. Department of Otolaryngology, Tokyo Medical and Dental University
6. Basic Research Center, Tokyo Metropolitan Institute of Medical Science