1. Institute for Biomolecular Research, Hochschule Fresenius, University of Applied Sciences, Limburger Straße 2, 65510 Idstein, Germany
2. Clinical Lipidomics Unit, Institute of Physiological Chemistry, University Medical Center, 55131 Mainz, Germany
3. Institute of Molecular Medicine I, Medical Faculty,, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany
4. DiaSys Diagnostic Systems GmbH, Alte Straße 9, 65558 Holzheim, Germany
5. DiaServe Laboratories GmbH, Seeshaupter Straße 27, 82393 Iffeldorf, Germany