Krzysztof Wilczyński,
José R. Lerma Valero,
Chris Rauwendaal,
Maria del Pilar Noriega E., Chris Rauwendaal,
Goerg H. Michler, Francisco J. Baltá-Calleja,
Ruben Schlutter,
Edgar Dietrich, Alfred Schulze,
Patrick Tarvin,
Charles L. Tucker III,