1. Department of Pathology, St Joseph’s Hospital and Medical Center, Phoenix, AZ
2. Department of Pathology, University of Arizona Health Sciences Center, Tucson
3. Department of Pulmonology, Banner Good Samaritan Hospital, Phoenix
4. Department of Laboratory Medicine and Pathology, Mayo Clinic, Scottsdale, AZ
5. Department of Pathology, Skaggs Community Hospital, Branson, MO