1. Department of PharmacologyUniversity of PennsylvaniaPhiladelphiaPennsylvaniaUSA
2. Department of Chemical PhysiologyThe Scripps Research InstituteLa JollaCaliforniaUSA
3. Department of Genomics and Computational BiologyUniversity of PennsylvaniaPhiladelphiaPennsylvaniaUSA
4. Department of Cell and Developmental BiologyPerelman School of Medicine, University of PennsylvaniaPhiladelphiaPennsylvaniaUSA
5. Department of BiologySchool of Arts and Sciences, University of PennsylvaniaPhiladelphiaPennsylvaniaUSA