1. Division
of BioAnalytical Chemistry, Vrije Universiteit Amsterdam, De Boelelaan
1083, 1081 HV Amsterdam, The Netherlands
2. Department
of Molecular and Cellular Neurobiology, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
3. hyphen MassSpec, Herenweg 95, 2361
EK Warmond, The Netherlands
4. Department
of Biological Sciences, National University of Singapore, 14 Science
Drive 4, 117543, Singapore