1. Department of Chemistry, Chemistry of Life Processes Institute and Proteomics Center of Excellence, Northwestern University, Evanston, Illinois 60208, United States
2. Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, South Korea
3. Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, United States
4. Integrated Protein Technologies, Inc., Evanston, Illinois 60646, United States