1. Kringle Pharma Joint Research Division for Regenerative Drug Discovery, Center for Advanced Science and Innovation; Osaka University; Suita; Osaka; Japan
2. Division of Virology, Department of Μicrobiology and Immunology; Osaka University Graduate School of Medicine; Suita; Osaka; Japan
3. Saito Laboratory, Research & Development, Kringle Pharma Inc.; Ibaraki; Osaka; Japan