作者单位:Analytical Biosciences, LACDR, Leiden University, Leiden 2333 CC, The Netherlands[1]Health Sciences, Waters Corporation, Milford, Massachusetts 01757, United States[2]Department of Biochemistry and Molecular & Cellular Biology, Georgetown University, Washington DC 20057, United States[3]BIOCRATES Life Sciences, Innsbruck 6020, Austria[4]