1. From Boston University, Boston, MA; Wilford Hall Medical Center,
2. Brooklyn, NY; VA Medical Center,
3. Tucson, AZ; Bowman Grey Medical Center,
4. Winston‐Salem, NC; University of Utah,
5. Salt Lake City, UT; VA Medical Center,
6. Castle Point, NY; University of Missouri,
7. Kansas City, MO; Maricopa Medical Center,
8. Phoenix, AZ; University of Iowa,
9. Iowa City, IA; Milwaukee County Hospital,
10. Milwaukee, WI; University of Florida,
11. Tampa, FL; Arizona Medical Clinic,
12. Peoria, AZ.