University of California (San Francisco (CA), USA)
Université de Montréal (Montreal, Canada)
University of Florence (Florence, Italy)
University of Sydney (Westmead, Australia)
University of Verona (Verona, Italy)
University of Toronto (Toronto, Canada)
University of Queensland (Brisbane, Australia)
Technische Universität München (Munich, Germany)
University of Münster (Münster, Germany)
Université Toulouse III (Toulouse, France)