1. Howard Hughes Medical Institute, Department of Biology, McGovern Institute for Brain Research, Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
2. Lipidomix GmbH, Robert-Roessle-Str. 10, 13125 Berlin, Germany.
3. Freshwater and Stress Ecology, Department of Biology, Humboldt-Universität zu Berlin, Spaethstr. 80/81, 12437 Berlin, Germany.