1 The Systems Biology Institute, Tokyo, 2 JST ERATO Kawaoka Infection-induced Host-response Network Project, Tokyo, 3 Mitsui Knowledge Industry Co. Ltd, Tokyo, 4 Okinawa Institute of Science and Technology, Okinawa and 5 Sony Computer Science Laboratories, Tokyo, Japan 1 The Systems Biology Institute, Tokyo, 2 JST ERATO Kawaoka Infection-induced Host-response Network Project, Tokyo, 3 Mitsui Knowl