Legacy Health (Portland, OR)
Henry Ford (Detroit, MI)
Houston Methodist (Houston, TX)
Iredell Health System (Statesville, NC)
Univ. of Texas Southwest (Dallas, TX)
Chi Memorial (Chattanooga, TN)
Genesis Health (Quad Cities, IA)
Ochsner (New Orleans, LA)
Restricted/retired (as of 4/14/2023)
Prisma Health (Greenville, SC)
Children's (Dayton, OH)
Penn State/St. Joseph (Reading, PA)