1. Quantitative Biology Center, Riken (QBiC), Furuedai 6-2-3, Suita, Osaka 565-0874, Japan
2. Graduate
School of Frontier Biosciences, Osaka University, Yamadaoka 1-3, Suita, Osaka 565-0871, Japan
3. Center for Information and Neural Networks (CiNet), Yamadaoka 1-4, Suita, Osaka 565-0871, Japan
4. Immunology Frontier Research Center (IFReC), Osaka University, Yamadaoka 3-1, Suita, Osaka 565-0871, Japan