[1] Justus Liebig Univ Giessen, Inst Pharmakol & Toxikol, Schubertstr 81, D-35392 Giessen, Germany
[2] Univ Mosul, Dept Vet Publ Hlth, Coll Vet Med, Mosul, Iraq
[3] Justus Liebig Univ Giessen, Inst Hyg & Infekt Krankheiten Tiere, Frankfurterstr 85-91, D-35392 Giessen, Germany
[4] RIPAC LABOR GmbH, Muhlenberg 11, D-14476 Potsdam, Germany
[5] Tierarztpraxis Dorfteich, Dorfteich 8, D-49661 Cloppenburg Bethen, Germany
[6] Bruker Daltonik GmbH, Entwicklung Bioanal, Fahrenheitstr 4, D-28359 Bremen, Germany
[7] Univ Vet Med Hannover, Inst Lebensmittelqualitat & Sicherheit, Bischofsholer Damm 15, D-30173 Hannover, Germany