Masaki Sone, Atsuko Uchida, Ayumi Komatsu, Emiko Suzuki, Ikue Ibuki, Megumi Asada, Hiroki Shiwaku, Takuya Tamura, Mikio Hoshino, Hitoshi Okazawa, Yo-ichi Nabeshima
PLoS One. 2009; 4(2): e4466. Published online 2009 Feb 11. doi: 10.1371/journal.pone.0004466