Affiliation: | 1.Des Moines University, Des Moines, IA, USA ;2.Department of Obstetrics and Gynecology, UnityPoint Health, 1825 Logan Ave., Waterloo, IA, 50703, USA ;3.University of Iowa, Iowa City, IA, USA ;4.UnityPoint Health, Waterloo, IA, USA ;5.UnityPoint Health, Des Moines, IA, USA ; |