[1] Univ Salford, Cestode Zoonoses Res Grp, Manchester M5 4WT, Lancs, England
[2] Int Zoo Vet Grp, Keighley BD21 4NQ, W Yorkshire, England
[3] AHVLA, Aberystwyth SY23 1ND, Ceredigion, Wales
[4] Univ Liverpool, Sch Vet Sci, Neston CH64 7TE, England
[5] Chester Zoo, Conservat Med Div, Chester CH2 1LH, Cheshire, England
[6] W Midlands Safari & Leisure Pk, Bewdley DY12 1LF, Worcs, England
[7] Univ Liverpool, Sch Vet Sci, Liverpool L69 7ZJ, Merseyside, England
[8] Univ Nottingham, Sch Vet Med & Sci, Loughborough LE12 5RD, Leics, England
[9] Twycross Zoo, Loughborough LE12 5RD, Leics, England
[10] Bristol Zoo Gardens, Bristol BS8 3HA, Avon, England
[11] AHVLA, Shrewsbury SY1 4HD, Shrops, England
[12] AHVLA Carmarthen, Carmarthen SA31 3EZ, Dyfed, Wales
[13] Asahikawa Med Univ, Dept Parasitol, Asahikawa, Hokkaido 0788510, Japan
[14] Univ Edinburgh, Royal Sch Vet Studies, Roslin EH25 9RG, Midlothian, Scotland