1. Cleveland Clinic Southpointe, Department of Medicine, Cleveland
2. Akron Children's Hospital, Department of Pediatrics, Akron, Ohio
3. Geisel School of Medicine at Dartmouth
4. Geisel School of Medicine at Dartmouth, Departments of Medicine and Pediatrics, Hanover
5. Dartmouth-Hitchcock Medical Center, Section of Allergy and Immunology, Lebanon, New Hampshire, USA