Roger Hullin, Jan Matthes, Sibylle von Vietinghoff, Ilona Bodi, Marta Rubio, Karen D'Souza, Ismail Friedrich Khan, Dennis Rottländer, Uta C. Hoppe, Paul Mohacsi, Eva Schmitteckert, Ralf Gilsbach, Moritz Bünemann, Lutz Hein, Arnold Schwartz, Stefan Herzig
PLoS One. 2007; 2(3): e292. Published online 2007 Mar 14. doi: 10.1371/journal.pone.0000292