Epidemiological surveillance of lymphocryptovirus infection in wild bonobos oleh Tomoyuki Yoshida, Hiroyuki Takemoto, Tetsuya Sakamaki, Nahoko Tokuyama, John Hart, Terese Hart, Jef Dupain, Amy Cobden, Mbangi Mulavwa, Yoshi Kawamoto, Akihisa Kaneko, Yuki Enomoto, Eiji Sato, Takanori Kooriyama, Takako Miyabe-Nishiwaki, Juri Suzuki, Akatsuki Saito, Munehiro Okamoto, Masaki Tomonaga, Tetsuro Matsuzawa, Takeshi Furuichi, Hirofumi Akari, Hirofumi Akari