1. Department of Chemistry and Biochemistry; Duquesne University; Pittsburgh PA USA
2. Agilent Center of Excellence in Mass Spectrometry; Duquesne University; Pittsburgh PA USA
3. Amun Enterprises; Wichita KS USA
4. Radboud University Nijmegen; Institute for Molecules and Materials, FELIX Facility; Toernooiveld 7 6525 ED Nijmegen The Netherlands
5. University of Amsterdam; Science Park 904 1098 XH Amsterdam The Netherlands