[1] Asahikawa Med Coll, Dept Parasitol, Asahikawa, Hokkaido 0788510, Japan
[2] WHO, Vector Borne & Other Parasit Dis, Hanoi, Vietnam
[3] Sichuan Inst Parasit Dis, Chengdu, Sichuan, Peoples R China
[4] Univ Franche Comte, Sch Med, WHO, Collaborating Ctr Prevent & Treatment Human Echin, F-25030 Besancon, France
[5] Univ Hosp, WHO, Collaborating Ctr Prevent & Treatment Human Echin, Besancon, France
[6] Wallaceville Anim Res Ctr, Upper Hutt, New Zealand
[7] Univ Salford, Cestode Zoonoses Res Grp, Biosci Res Inst, Manchester, Lancs, England
[8] Chinese Ctr Dis Control & Prevent, Inst Parasit Dis, Shanghai, Peoples R China
[9] Ctr Dis Control & Prevent, Div Parasit Dis, NCID, Atlanta, GA USA