1. Engineering Research Center of Glycoconjugates Ministry of Education, Jilin Province Key Laboratory for Chemistry and Biology of Changbai Mountain Natural Drugs, School of Life Sciences, Northeast Normal University, 5268 Renmin Street, Changchun 130024, China
2. Department of Biochemistry, Molecular Biology & Biophysics, University of Minnesota, 6-155 Jackson Hall, Minneapolis, MN 55455, USA
3. Bruker BioSpin AG, Applications Department, Bruker BioSpin AG, Industriestrasse 26, 8117 Fällanden, Switzerland