1. Joint Mass Spectrometry
Centre, Cooperation Group ’’Comprehensive Molecular
Analytics“, Helmholtz Zentrum Muenchen, D-85764 Neuherberg, Germany
2. ASG Analytik
Service
GmbH, Trentiner Ring 30, 86356 Neusäss, Germany
3. Joint
Mass Spectrometry Centre, Institute of Chemistry, Division of Analytical
and Technical Chemistry, University of Rostock, D-18057 Rostock, Germany