Start of collaboration (year)
Institution
2005
1998
Universidad Mayor de San Andrés (La Paz, Bolivia)
1998
Universidad de Málaga (Spain)
1999
University of Groningen (The Netherlands)
1999
Centro de Estudios Trelew (Argentina)
2000
Institut für Botanik und Pharmazeutische
Biologie, Friedrich - Alexander Universität (FAU, Alemania)
2000
Centro Regional Universitario Bariloche (CRUB), Universidad Nacional del Comahue.
2002
Shantou University - People's Republic of China
