by Joel G. Siegel...[et al.] by George Peper...[et al.] by Noel W. Schutz,...[et al.] by Denise Angelo...[et al.] by Douglas Biber...[et al.] by Efrem Sigel,...[et al.] by Rachel Bridge ...[et al.] by Alex Leviton...[et al.] by Allan Ben...[et al.] by Beryl Packer...[et al.]