1. Department of Bioscience and Bioinformatics, Faculty of Computer Science and Systems Engineering, Kyushu Institute of Technology , Iizuka, Fukuoka 820-8502, Japan
2. Research Institute of Science for Safety and Sustainability, National Institute of Advanced Industrial Science and Technology (AIST) , Tsukuba, Ibaraki 305-8569, Japan
3. Department of Complex Systems Science, Graduate School of Informatics, Nagoya University , Nagoya, Aichi 464-8601, Japan