1. a International Reference Centre for Avian Haematozoa, Memorial University of Newfoundland , St. John's, NF, Canada , A1B 3X9
2. b FRD International Visiting Fellow, Department of Parasitology, Faculty of Veterinary Science , Private Bag X04, Onderstepoort, 0110, Republic of South Africa
3. c Department of Veterinary Tropical Diseases, Faculty of Veterinary Science , Private Bag X04, Onderstepoort, 0110, Republic of South Africa
4. d 16 Westmorland Close, Woosehill, Wokingham, Berks, RG119AZ, United Kingdom