13 theses in 10 countries. SFU, Burnaby Vancouver, Canada (2007); University of Groningen (2008 & 2010) & University of Wageningen (2009), Netherlands; University of Cork (2008 & 2011), Ireland; Makere University (2009), Uganda; University of Cape Town (2010), South Africa; University of Sydney, Australia (2010); SLU Lund, Sweden (2011); University of Berne, Switzerland (2011); University of Turku, Finland (2012); University of Ghent, Belgium (2012).