Supplementary material 23 from: de Jong Y, Kouwenberg J, Boumans L, Hussey C, Hyam R, Nicolson N, Kirk P, Paton A, Michel E, Guiry M, Boegh P, Pedersen H, Enghoff H, von Raab-Straube E, Güntsch A, Geoffroy M, Müller A, Kohlbecker A, Berendsohn W, Appeltans W, Arvanitidis C, Vanhoorne B, Declerck J, Vandepitte L, Hernandez F, Nash R, Costello M, Ouvrard D, Bezard-Falgas P, Bourgoin T, Wetzel F, Glöckler F, Korb G, Ring C, Hagedorn G, Häuser C, Aktaç N, Asan A, Ardelean A, Borges P, Dhora D, Khachatryan H, Malicky M, Ibrahimov S, Tuzikov A, De Wever A, Moncheva S, Spassov N, Chobot K, Popov A, Boršić I, Sfenthourakis S, Kõljalg U, Uotila P, Olivier G, Dauvin J, Tarkhnishvili D, Chaladze G, Tuerkay M, Legakis A, Peregovits L, Gudmundsson G, Ólafsson E, Lysaght L, Galil B, Raimondo F, Domina G, Stoch F, Minelli A, Spungis V, Budrys E, Olenin S, Turpel A, Walisch T, Krpach V, Gambin M, Ungureanu L, Karaman G, Kleukers R, Stur E, Aagaard K, Valland N, Moen T, Bogdanowicz W, Tykarski

Sustainability of European GSDs: Quantify financial and other resources to ensure long-term maintenance of European GSDs database systems