1998, Austria
Valentin Hitz
2015, Bulgaria
Ivaylo Hristov
2008, Germany
Veit Helmer
1999, Germany
2018, Germany, Azerbaijan
2016, Brazil
Cláudia Jouvin
2015, France
Pierre Léon
2014, France
Thomas Salvador
2011, Germany, Russia, Kazakhstan
2017, Estonia, Netherlands, Poland
Rainer Sarnet
2014, Hungary
Gábor Reisz
2018, Romania, Bulgaria
Paul Negoescu