| Institution: | (1) Present address: Vaccine Research Center, NIAID, NIH, Bethesda, MD 20892, USA;(2) Department of Chemical Engineering, University of Delaware, Newark, DE 19716, USA;(3) Present address: Schering-Plough Corporation, Kenilworth, NJ 07033, USA;(4) Molecular Genetics and Microbiology and the Cancer Research and Treatment Center, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA;(5) Chemical and Nuclear Engineering Department, University of New Mexico, Albuquerque, NM 87131, USA |
