Argentina (Buenos Aires), Belarus (Minsk), Belgium (Brussels), Brazil (São Paulo), Bulgaria (Sofia), Canada (Toronto), Croatia (Zagreb), Czech Rep. (Prague), Georgia (Tbilisi), Germany (Munich), Hungary (Budapest), India (Bangalore), Italy (Milan), Kazakhstan (Almaty), Mexico (Mexico City), Poland (Warsaw), Romania (Bucharest), Russia (Moscow, St. Petersburg, Novosibirsk), Serbia (Belgrade), Spain (Madrid), South Africa (Johannesburg), Ukraine (Kiev), United Kingdom (London), United States (Houston, Princeton, Research Triangle Park)