About the Authors

Geert A. Martens

geert.martens@vub.ac.be

Affiliations Diabetes Research Center, Brussels Free University (VUB), Brussels, Belgium, University Hospital Brussels (UZ Brussel), Brussels, Belgium

Lei Jiang

Affiliation Diabetes Research Center, Brussels Free University (VUB), Brussels, Belgium

Katrijn Verhaeghen

Affiliation University Hospital Brussels (UZ Brussel), Brussels, Belgium

Joanne B. Connolly

Affiliation Waters Corporation, Manchester, United Kingdom

Scott G. Geromanos

Affiliation Waters Corporation, Manchester, United Kingdom

Geert Stangé

Affiliation Diabetes Research Center, Brussels Free University (VUB), Brussels, Belgium

Laurence Van Oudenhove

Affiliation Laboratory for Protein Biochemistry and Biomolecular Engineering (L-ProBE), Universiteit Gent, Gent, Belgium

Bart Devreese

Affiliation Laboratory for Protein Biochemistry and Biomolecular Engineering (L-ProBE), Universiteit Gent, Gent, Belgium

Karine H. Hellemans

Affiliation Diabetes Research Center, Brussels Free University (VUB), Brussels, Belgium

Zhidong Ling

Affiliation Diabetes Research Center, Brussels Free University (VUB), Brussels, Belgium

Christiaan Van Schravendijk

Affiliation Diabetes Research Center, Brussels Free University (VUB), Brussels, Belgium

Daniel G. Pipeleers

Affiliation Diabetes Research Center, Brussels Free University (VUB), Brussels, Belgium

Johannes P. C. Vissers

Affiliation Waters Corporation, Manchester, United Kingdom

Frans K. Gorus

Affiliations Diabetes Research Center, Brussels Free University (VUB), Brussels, Belgium, University Hospital Brussels (UZ Brussel), Brussels, Belgium

Competing Interests

Present study reports data obtained using data-independent alternate scanning mass spectrometry, developed by Waters Corporation. JB Connoly, SG Geromanos and JPC Vissers report receiving research and/or salary support from Waters Corporation. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: GAM ZL FG. Performed the experiments: LJ KV JBC GS LVO JPV. Analyzed the data: GAM LJ GS BD ZL CVS JPV FG. Contributed reagents/materials/analysis tools: GAM SGG KHH DP JPV FG. Wrote the paper: GAM KV DP JPV FG.