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Ribeiro, Eckhard Sturm, Felix Mang, Felix Widmann, Florentin Millour, Frank Eisenhauer, Fr\\'ed\\'eric Vincent, Gernot Hei{\\ss}el, Grant Christie, Guillaume Bourdarot, Guy Perrin, Helmut Feuchtgruber, Hugo Nowacki, I. B. Thompson, James Leftley, Janez Kos, Jean-Baptiste Le Bouquin, Jean-Philippe Berger, Jinyi Shangguan, Jonas Sauter, Joss Bland-Hawthorn, Jules Scigliuto, J. Woillez, Karim Abd El Dayem, Karine Perraut, Laura Kreidberg, Linda Tacconi, Mathias Nowak, Mathis Houlle, Matteo Sadun Bordoni, Matthias Subroweit, Maximilian Fabricius, Miguel Montarg\\`es, Natascha M. F\\\"orster Schreiber, Nicolas Pourre, Olivier Lai, Paulo Garcia, Pierre Kervella, Pierre-Olivier Petrucci, Przemek Mr\\'oz, Reinhard Genzel, Richard I. Davies, Romain Laugier, Romain Petrov, Sanjib Sharma, Sebastian H\\\"onig, Sebastian Rabien, Stefan Gillessen, Subo Dong, Sven Buder, Sylvestre Lacour, Sylvie Robbe-Dubois, Taro T. 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