1. United BioSource Corporation; Barcelona Spain
2. CHU Jean Minjoz; Besançon France
3. Department of Gynecology and Obstetrics; Kantonsspital Baden AG; Baden Switzerland
4. Sunnybrook Odette Cancer Centre; Toronto Ontario Canada
5. United BioSource Corporation; Hammersmith United Kingdom
6. F. Hoffmann-La Roche Ltd; Basel Switzerland
7. Copenhagen University Hospital; Copenhagen Denmark