[1] Univ Pittsburgh, Pittsburgh, PA 15260 USA
[2] Univ Cambridge, Cambridge, England
[3] Mater Res & Translat Res Inst, Brisbane, Qld, Australia
[4] Univ Oxford, Oxford, England
[5] Oregon Hlth & Sci Univ, Portland, OR 97201 USA
[6] Norwegian Univ Sci & Technol NTNU, Trondheim, Norway
[7] Cincinnati Childrens Hosp Med Ctr, Cincinnati, OH 45229 USA
[8] Univ Hosp Jena, Jena, Germany
[9] Monash Univ, Clayton, Vic, Australia
[10] Univ Vienna, Vienna, Austria
[11] Univ British Columbia, Vancouver, BC, Canada
[12] Placental Analyt LLC, Inst Basic Res, New York, NY USA
[13] Univ Wisconsin, Madison, WI USA
[14] Univ Toronto, Toronto, ON, Canada
[15] Univ Quebec, Inst Natl Rech Sci, Inst Armand Frappier, Laval, PQ, Canada
[16] Case Western Reserve Univ, Ctr Reprod Hlth, Metrohlth Med Ctr, Cleveland, OH 44106 USA