1. Senior Editor, Bioanalysis, Division of Clinical Pharmacology V, Office of Clinical Pharmacology Center for Drug Research and Evaluation Research, US FDA, Silver Spring, MD 20993-002, USA.
2. Senior Editor, Bioanalysis, Director of Pharmaceutical Development, Huntingdon Life Sciences, Woolley Road, Alconbury, Huntingdon, Cambridgeshire, PE16 5HS, UK.
3. Commissioning Editor, Bioanalysis, Future Science Group, Unitec House, 2 Albert Place, London, N3 1QB UK.