Sara Vicca, Michael Bahn, Marc Estiarte, E. Emiel van Loon, Rodrigo Vargas, Giorgio Alberti, Per Ambus, M. Altaf Arain, Claus Beier, Lisa Patrick Bentley, Werner Borken, Nina Buchmann, Scott L. Collins, Giovanbattista D. de Dato, Jeffrey S. Dukes, Cristina Escolar, Philip A. Fay, Gabriele Guidolotti, Paul J. Hanson, Ansgar Kahmen, György Kröel-Dulay, Thomas Ladreiter-Knauss, Klaus Steenberg Larsen, Eszter Lellei-Kovács, Edwin Lebrija-Trejos, Fernando T. Maestre, Sven Marhan, Miles Marshall, Patrick Meir, Y. Miao, Jan Muhr, Pascal A. Niklaus, Romà Ogaya, Josep Peñuelas, Christian Poll, Lindsey E. Rustad, Kathleen Savage, Andreas Schindlbacher, Inger Kappel Schmidt, Andy R. Smith, Eleneide Doff Sotta, Vidya Suseela, Albert Tietema, Natasja van Gestel, Oliver Van Straaten, Shiqiang Wan, Ulrich Weber, Ivan A. Janssens