Supported by a grant (ISLRA-2009) from the European Space Agency , by Belgian Science Policy Office –Prodex, by a grant (63.1) from the Russian Academy of Sciences , by the University of Antwerp, by the University and University Hospital of Liège, by a grant (ARC-12/17-01) from the French Speaking Community Concerted Research Action , by grants (11U6414N, 11U6416N, and V400717N, to Dr. Van Ombergen; 12M3116N, to Dr. Jeurissen; and G084217N, to Dr. Sijbers) from the Research Foundation Flanders , by the Belgian National Funds for Scientific Research, by a grant (220020156.01) from the James McDonnell Foundation , by the IAP research network P7/06 of the Belgian government (Belgian Science Policy), by a grant ( BMBF 01 EO 0901, to Dr. zu Eulenburg) from the German Federal Ministry of Education and Research, and by the 2016–2017 Amelia Earhart fellowship (to Dr. Van Ombergen) from Zonta International.