We would like to acknowledge the following sponsors:

• European Union
• World Health Organization, Nigeria
• University of Calabar Teaching Hospital, Nigeria
• South African Medical Research Council, South Africa
• Calabar Institute of Tropical Diseases Research and Prevention
• Federal Ministry of Health, Abuja, Nigeria
• Lagos University Teaching Hospital
• Nigerian Institute of Medical Research
• Federal Neuropsychiatric Hospital, Calabar, Nigeria
• National Hospital, Abuja, Nigeria
• Cochrane Nigeria
• Cochrane South Africa
• Cochrane Africa