1. From Robert J. Tomsich Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, Ohio (Dermawan, Cheng, Tu, Goldblum, Billings, Kilpatrick, Reith, Shurtleff, Farkas, Rubin, Azzato)
2. The Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City (Meyer)
3. The Department of Anatomic Pathology, Middlemore Hospital, Counties Manukau District Health Board, Auckland, New Zealand (Habeeb)
4. The Department of Pathology, Kaiser Permanente Oakland Medical Center, Oakland, California (Zou)