Stephens, Philip A., Mason, Lucy R., Green, Rhys E., Gregory, Richard D., Sauer, John R., Alison, Jamie, Aunins, Ainars, Brotons, Lluís, Butchart, Stuart H. M., Campedelli, Tommaso, Chodkiewicz, Tomasz, Chylarecki, Przemysław, Crowe, Olivia, Elts, Jaanus, Escandell, Virginia, Foppen, Ruud P. B., Heldbjerg, Henning, Herrando, Sergi, Husby, Magne, Jiguet, Frédéric, Lehikoinen, Aleksi, Lindström, Åke, Noble, David G., Paquet, Jean-Yves, Reif, Jiri, Sattler, Thomas, Szép, Tibor, Teufelbauer, Norbert, Trautmann, Sven, van Strien, Arco J., van Turnhout, Chris A. M., Vorisek, Petr, and Willis, Stephen G.