PEN-EQ Study Team Principal Investigators Kimberly Blumenthal, MD, MSc Alysse Wurcel, MD, MS Co-Investigators Margee Louisias, MD, MPH Valerie Stone, MD, MPH Denise Daudelin, RN, MPH Stephen Bartels, MD, MS Julie Levison, MD, MPhil, MS Yuqing Zhang, DSc Study Staff Emily Byrne MGH Chantal Lemoine-Soto, MD MGH Bimpe Asupoto Tufts Jushin Mann Tufts Allen Judd MGH Liam Smith MGH Annika Johnson MGH Andrew King MGH Bohang Jiang MGH