1. Department of PharmacologyUniversity of Texas Southwestern Medical CenterDallasTexasUSA
2. Department of Biochemistry and Molecular PharmacologyUniversity of Massachusetts Medical SchoolWorcesterMassachusettsUSA
3. Department of Therapeutic RadiologyYale School of MedicineNew HavenConnecticutUSA
4. Department of PharmacologyYale School of MedicineNew HavenConnecticutUSA