1. Department of Obstetrics and GynecologyKlinikum WolfsburgWolfsburg Germany
2. Department of Health ServicesUniversity of CaliforniaSanta Barbara CA
3. Roche Molecular SystemsPleasanton CA
4. DDL Diagnostic LaboratoryRijswijk The Netherlands
5. Ventana Medical Systems, IncTucson AZ
6. Department of Pathology and Cell BiologyColumbia UniversityNew York NY