1 UNC Horizons, 127 Kingston Drive, Chapel Hill, NC 27514, USA; Department of Obstetrics and Gynecology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA. Electronic address: Hendree_Jones@med.unc.edu.
2 Vermont Center on Behavior and Health, Department of Psychiatry, University of Vermont, 1 South Prospect, Room 1415, Burlington, VT 05401, USA. Electronic address: sarah.heil@uvm.edu.
3 Department of Psychology, University of Maryland, College Park, College Park, MD 20742, USA. Electronic address: ogrady@umd.edu.