Jin Akiyama
(1), Sin Hitotumatu
(2), Ikuro Sato
(3)
(1)
Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo, Japan,
(2)
Research Institute of Mathematical Science, University of Kyoto, Kenya,
(3)
Department of Pathology, Research Institute, Miyagi Cancer Center, 47-1,
Medeshima-shiote (Azanodayama), Natori-city, Miyagi, Japan