[1] Willows Vet Ctr & Referral Serv, Highlands Rd, Solihull B90 4NH, W Midlands, England
[2] Vet Specialists Scotland, 1 Deer Pk Rd, Livingston EH54 8AG, Scotland
[3] Istanbul Univ Cerrahpasa, Fac Vet Med, Dept Microbiol, TR-34320 Istanbul, Turkey
[4] Univ Utrecht, Fac Vet Med, Dept Biomol Hlth Sci, Yalelaan 1, NL-3584 CL Utrecht, Netherlands
[5] Ctr Knowledge Antimicrobial Use & Resistance, Galileelaan 5-02, B-1210 Brussels, Belgium
[6] Univ Copenhagen, Dept Vet & Anim Sci, Stigbojlen 4, DK-1870 Frederiksberg, Denmark
[7] Univ Ghent, Fac Vet Med, Vet Epidemiol Unit, Salisburylaan 133, B-9820 Merelbeke, Belgium
[8] Sciensano, Vet Epidemiol Unit, B-1050 Brussels, Belgium
[9] Univ Bern, Vetsuisse Fac, Vet Publ Hlth Inst, Schwarzenburgstr 161, CH-3097 Bern, Switzerland
[10] Govt Extremadura, FundeSalud, Pio Baroja 10, Merida 06800, Spain
[11] Norwegian Univ Life Sci, Small Ruminant Res & Herd Hlth, Inst Prod Anim Clin Sci, Fac Vet Med, N-4325 Hoyland, Sandnes, Norway
[12] Univ London, Royal Vet Coll, Hawkshead Campus,Hawkshead Lane, Hatfield AL9 7TA, Herts, England
[13] Univ Zurich, Vetsuisse Fac, Clin Small Anim Surg Tierspital Zurich, Winterthurerstr 260, CH-8057 Zurich, Switzerland
[14] Univ Liverpool, Inst Infect Vet & Ecol Sci Physiol & Pathol, Dept Vet Anat, Leahurst Campus, Neston CH64 7TE, England
[15] Univ Copenhagen, Fac Hlth Sci, Dept Vet Clin Sci, Dyrlaegevej 16, DK-1870 Frederiksberg C, Denmark