1. The Department of Emergency Medicine; University of Cincinnati College of Medicine; Cincinnati OH
2. The Department of Internal Medicine Division of Allergy and Immunology; University of Cincinnati College of Medicine; Cincinnati OH
3. The Department of Medicine; Division of Allergy and Immunology; Massachusetts General Hospital; Boston MA
4. The Department of Medicine and Clinical Immunology Mount Sinai Hospital; New York NY
5. The Department of Emergency Medicine; Massachusetts General Hospital; Boston MA
6. The Department of Emergency Medicine; Vanderbilt University; Nashville TN
7. The Department of Internal Medicine and Pediatrics; Penn State Hershey Medical Center; Hershey PA
8. The Department of Internal Medicine and Pediatrics Allergy and Asthma Specialists; Dallas TX
9. The Department of Emergency Medicine; Henry Ford Health System; Detroit MI
10. The Department of Emergency Medicine; George Washington University; Washington DC
11. The Department of Emergency Medicine; Brigham and Women's Hospital; Boston MA
12. The Department of Medicine; Section of Allergy and Immunology; David Geffen School of Medicine UCLA; Los Angeles CA
13. The Department of Medicine; Section of Immunology; UC San Diego School of Medicine; San Diego CA