1. Janssen Research and Development, a division of Janssen Pharmaceutica NV, Drug Safety Sciences; Department of Preclinical Project Development; Turnhoutseweg 30 2340 Beerse Belgium
2. Covance Laboratories GmbH; Kesselfeld 29 Münster Germany
3. Huntingdon Life Sciences; Huntingdon Research Centre; Woolley Road, Alconbury, Huntingdon Cambridgeshire PE28 4HS UK