1. University Malaya Medical Centre Jalan Universiti Lembah Pantai 50603 Kuala Lumpur Malaysia
2. Materno‐fetal and Obstetrics Research Unit Department “Femme‐Mère‐enfant” University Hospital Rue du Bugnon 21 1011 Lausanne Switzerland
3. Interregional Blood Transfusion SRC Rue du Bugnon 46 1011 Lausanne Switzerland
4. Transfusion Medicine Unit Hospital Materno‐Infantil Ramón Sarda Esteban de Luca 2151 City of Buenos Aires Argentina
5. Obstetric Immunohematology Section Hospital Materno‐Infantil Ramón Sarda Esteban de Luca 2151 City of Buenos Aires Argentina
6. Hemotherapy and Cell Therapy Department Albert Einstein Hospital Avenida Albert Einstein, 627‐ 30 andar Bloco E São Paulo Brazil
7. Blood Bank State University of Campinas Carlos Chagas Street,480 13083-878 São Paulo Brazil
8. Seattle Children's and Bloodworks Northwest 4800 Sand Point Way NE, M/S OC.8.720 Seattle WA USA
9. Children's National Hospital 111 Michigan Ave NW Washington DC USA
10. Bloodworks Northwest 921 Terry Avenue Seattle WA 98104 USA
11. Clinical Immunology and Transfusion Medicine Karolinska University Hospital 14186 Stockholm Sweden
12. Center for Fetal Medicine Karolinska University Hospital 14186 Stockholm Sweden
13. Transfusion Medicine San Camillo Forlanini Hospital 00152 Rome Italy
14. Department of Experimental Medicine Sapienza University 00161Rome Italy
15. Servizio di Emotrasfusione Istituto di Ematologia‐Fondazione Policlinico Universitario “A. Gemelli”‐IRCCS 00168Rome Italy
16. Fetal Medicine Department CNRHP Clinical Unit Hôpital Trousseau 26 rue Arnold Netter 75012 Paris France
17. CNRHP Clinical Unit Hôpital Trousseau 26 rue Arnold Netter 75012 Paris France
18. University Clinic HospitalBiomedical Diagnostic Center University Clinic Hospital Sabino Arana 1 08028 Barcelona Spain
19. Specialist in Laboratory Medicine (EuSpLM) Leiden University Medical CenterDepartment of Clinical Chemistry and Laboratory Medicine Albinusdreef 2 2333 ZA Leiden The Netherlands
20. Sanquin Diagnostic Services and Center for Clinical Transfusion Research Plesmanlaan 125 1066 CX Amsterdam The Netherlands
21. Leiden University Medical CenterDept of Obstetrics and Fetal Medicine Leiden University Medical Center Albinusdreef 2 2333 ZA Leiden The Netherlands