Authors: Peter D. Kwong, Michael L. Doyle, David J. Casper, Claudia Cicala, Stephanie A. Leavitt, Shahzad Majeed, Tavis D. Steenbeke, Miro Venturi, Irwin Chaiken, Michael Fung, Hermann Katinger, Paul W.H.I. Parren, James E. Robinson, Donald Van Ryk, Liping Wang, Dennis R. Burton, Ernesto Freire, Richard T. Wyatt, Joseph Sodroski, Wayne A. Hendrickson, James Arthos - Nature 2002 cited by 903