1. Abramson Cancer Center of the University of Pennsylvania, Philadelphia, PA;
2. Duke University, Durham, NC;
3. Rhode Island Hospital, Providence, RI;
4. University of Iowa, Iowa City, IA;
5. Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins School of Medicine, Baltimore, MD;
6. Progenics Pharmaceuticals, Inc., New York, NY;
7. The University of Texas MD Anderson Cancer Center, Houston, TX;