[1] Merrimack Coll, Sch Nursing & Hlth Sci, Dept Nutr & Publ Hlth, N Andover, MA 01845 USA
[2] Brigham & Womens Hosp, Boston Ctr Endometriosis, Boston, MA 02115 USA
[3] Boston Childrens Hosp, Boston, MA 02115 USA
[4] Boston Childrens Hosp, Dept Pediat, Div Adolescent & Young Adult Med, Boston, MA 02115 USA
[5] Harvard Med Sch, Boston, MA 02115 USA
[6] Univ Edinburgh, Inst Regenerat & Repair, Ctr Reprod Hlth, Edinburgh, Scotland