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by Jack E. Miller ((deceased) ); John R. Walker (University of South Florida ); Karen E. Drummond (Yardley, Pennsylvania)
by Thomas M. Devlin (Drexel University School of Medicine, Philadelphia, Pennsylvania )
by R. Richard Ritti (The Pennsylvania State Univ.); Steven Levy (Santa Clara University )
by Jack M. Kaplan (Columbia Business School ); Anthony Warren (Pennsylvania State University)
by William J. Rothwell (The Pennsylvania State University); Marilynn N. Butler (St. John Fisher College); Daryl L. Hunt (MatrixOne, Inc.); et al.
by University of Pennsylvania; Sc
by Donald Voet (Univ. of Pennsylvania); Judith G. Voet (Swarthmore College); Charlotte W. Pratt (Seattle Pacific University )
by Bruce E. Logan (The Pennsylvania State Univ., University Park)
by Editor: Darwin Deen (Albert Einstein College of Medicine, New York); Editor: Lisa Hark (University of Pennsylvania School of Medicine, Philadelphia)
by Editor: Christopher P. Holstege (University of Virginia); Editor: Alexander B. Baer (University of Virginia); Editor: Jesse M. Pines (University of Pennsylvania Medical Center, Philadelphia, PA, USA); et al.