[1] Leiden Univ, Dept Obstet, Med Ctr, Leiden, Netherlands
[2] Leiden Univ, Med Ctr, Jon J van Rood Ctr Clin Transfus Res, Sanquin, Plesmanlaan 1a, NL-2333 BZ Leiden, Netherlands
[3] Leiden Univ, Dept Clin Epidemiol, Med Ctr, Leiden, Netherlands
[4] Leiden Univ, Dept Biomed Data Sci, Med Ctr, Leiden, Netherlands
[5] Deventer Hosp, Dept Obstet & Gynecol, Deventer, Netherlands
[6] Vrije Univ, Athena Inst, Amsterdam, Netherlands
[7] Leiden Univ, Div Thrombosis & Hemostasis, Dept Internal Med, Med Ctr, Leiden, Netherlands
[8] Sanquin Blood Bank, Unit Transfus Med, Leiden, Netherlands
[9] Leiden Univ, Dept Immunohematol & Blood Transfus, Med Ctr, Leiden, Netherlands
[10] Albert Schweitzer Hosp, Dept Anesthesiol, Dordrecht, Netherlands
[11] Univ Med Ctr Utrecht, Wilhelminas Children Hosp, Div Woman & Baby, Dept Obstet,Birth Ctr, Utrecht, Netherlands
[12] Admiraal de Ruyter Hosp, Goes, Netherlands
[13] Amphia Hosp, Breda, Netherlands
[14] Amsterdam Med Ctr, Amsterdam, Netherlands
[15] Atalmedial, Leiden, Netherlands
[16] Atrium Med Ctr, Heerlen, Netherlands
[17] Bernhoven Hosp, Uden, Netherlands
[18] Bethesda Hosp, Hoogeveen, Netherlands
[19] Bronovo Hosp, The Hague, Netherlands
[20] Canisius Wilhelmina Hosp, Nijmegen, Netherlands
[21] Catharina Hosp, Eindhoven, Netherlands
[22] Deventer Hosp, Deventer, Netherlands
[23] Diaconessen Hosp, Leiden, Netherlands
[24] Diakonessen Hosp, Utrecht, Netherlands
[25] Elkerliek Hosp, Helmond, Netherlands
[26] Erasmus MC, Rotterdam, Netherlands
[27] Flevo Hosp, Almere, Netherlands
[28] Fransiscus Hosp, Roosendaal, Netherlands
[29] Gelderse Vallei Hosp, Ede, Netherlands
[30] Gelderse Vallei Hosp, Apeldoorn, Netherlands
[31] Gelre Hosp, Apeldoorn, Netherlands
[32] Groene Hart Hosp, Gouda, Netherlands
[33] Haga Hosp, The Hague, Netherlands
[34] Hosp Grp Twente, Almelo, Netherlands
[35] Hosp Rivierenland Tiel, Tiel, Netherlands
[36] Ikazia Hosp, Rotterdam, Netherlands
[37] Isala Clin, Zwolle, Netherlands
[38] Lange Land Hosp, Zoetermeer, Netherlands
[39] Maas Hosp Pantein, Boxmeer, Netherlands
[40] Maasstad Hosp, Rotterdam, Netherlands
[41] Maastricht Univ, Med Ctr, Maastricht, Netherlands
[42] Martini Hosp, Groningen, Netherlands
[43] Maxima Med Ctr, Veldhoven, Netherlands
[44] Meander Med Ctr, Amersfoort, Netherlands
[45] Med Ctr Alkmaar, Alkmaar, Netherlands
[46] Med Ctr Haaglanden, The Hague, Netherlands
[47] Med Ctr Leeuwarden, Leeuwarden, Netherlands
[48] Med Ctr Twente, Enschede, Netherlands
[49] Medlon, Almelo, Netherlands
[50] Onze Lieve Vrouw Hosp, Amsterdam, Netherlands