1. Pablo Kreimer is Professor in Sociology, Science National University of Quilmes (Institute for Social Studies of Science and Technology), Argentina; Researcher, National Scientific Research Council (CONICET), and Director, Doctoral Programme, Facultad Latinoamericana de Ciencias Sociales, Av. Rivadavia 2358 6° Buenos Aires, Argentina..
2. Juan Pablo Zabala is Fellow, National Scientific Research Council (CONICET), National University of Quilmes, Av. Rivadavia 2358 6° Buenos Aires, Argentina..