autores Andrew P. Lane Bernhard Kratzer Caraballo, Luis Cordula Köhler Ernst Malle Gerhard Hofer Jamila Chakir Jan Dvorak Jordan Phelan Leonardo Puerta Marsha Wills-Karp Naina Gour Nu Yao Peter Tauber Sandra Rosskopf Stephane Lajoie Ursula Smole Winfried F. Pickl Xiao Xiao