CGHE members span the University of Michigan and the globe, including faculty experts, research collaborators, scholars, and community partners. Search for Members with Keywords, Sponsors, Locations, or Categories + Jason Bell, MD, MPH, MS Reproductive health and family planning Matthew (Matt) Boulton, MD, MPH Health disparities in vaccine preventable diseases Timothy (Tim) Hofer, MD, MS Quality improvement and healthcare delivery Kelley Kidwell, PhD Clinical trial designs & analysis Emily Treleaven, PhD, MPH Social and structural determinants of health and mortality Abram Wagner Disparities in vaccination, with a particular focus on vaccine hesitancy