Paper (s) having Negoro H, Kanematsu A, Doi M, Suadicani SO, Matsuo M, Imamura M, Okinami T, Nishikawa N, Oura T, Matsui S, Seo K, Tainaka M, Urabe S, Kiyokage E, Todo T, Okamura H, Tabata Y, Ogawa O (2012) as References