1. Clinical Diagnostic Parasitology Laboratory; Liverpool School of Tropical Medicine; Liverpool UK
2. Diagnostic Parasitology Laboratory; The London School of Hygiene & Tropical Medicine; London UK
3. Department of Haematology; St Mary's Hospital; London UK
4. Department of Haematology; St George's Hospital; London UK
5. UK NEQAS for Parasitology; Hospital for Tropical Diseases; London UK
6. The London School of Hygiene & Tropical Medicine; London UK