By Nelson B. Watts (Emory University, Atlanta, GA, USA), Joseph H. Keffer
By Brian W. J. Mahy (Coordinating Center for Infectious Diseases, CDC, Atlanta, GA, USA), Marc H.V. van Regenmortel (ESBS, CNRS, Strasbourg, France)
By Andreas S. Bommarius (Schools of Chemical Engineering and Chemistry/Biochemistry, Georgia Institute of Technology, USA), Bettina R. Riebel-Bommarius (Emory University, School of Medicine, Atlanta, GA