1. Merck & Co., Inc., West Point, Pennsylvania 19486, United States
2. MOBILion Systems, Inc., Chadds Ford, Pennsylvania 19317, United States
3. Lipidomics Consulting Ltd, Irisviksvägen 31D, 02230 Esbo, Finland
4. Molecular Discovery Ltd., Centennial Park, Borehamwood, Hertfordshire WD6 3FG United Kingdom
5. Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy