1. University of Oxford; Nuffield Department of Population Health; Oxford UK
2. University of Phillipines; Department of Surgery; Manila Philippines
3. Norwegian Institute of Public Health; PO Box 4404, Nydalen Oslo Norway N-0403
4. Cochrane; Cochrane Response; London UK
5. South African Medical Research Council; Health Systems Research Unit; PO Box 19070 Tygerberg South Africa 7505
6. World Health Organization; Department of Reproductive Health and Research; Geneva Switzerland