Michael P O'CONNOR -
Department of Bioscience and Biotechnology, Drexel University, Philadelphia, Pennsylvania 19104, United States
Salvatore J AGOSTA -
Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
Frank HANSEN -
Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
Stanley J KEMP -
Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
Annette E SIEG -
Department of Bioscience and Biotechnology, Drexel University, Philadelphia, Pennsylvania 19104, United States
James N MCNAIR -
Patrick Center for Environmental Research, Academy of Natural Sciences of Philadelphia, Philadelphia, Pennsylvania 19103, United States
Arthur E DUNHAM -
Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States