1. Department of Pathology and Immunology, Washington University in St. Louis,
St. Louis, MO, USA
2. Department of Pathology, University of Texas Southwestern Medical Center at Dallas,
Dallas, TX, USA
3. Department of Pathology, Dartmonth-Hitchcook Medical Center,
Lebanon, NH, USA
4. Department of Pathology, Naval Medical Center,
San Diego, CA, USA
5. Department of Pathology, University of California San Diego Health System,
La Jolla, CA, USA