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ANGELA STIENEN, is professor at the Centre for Research and Development at the University of Education in Bern, Switzerland. She has a PhD in Social Anthropology and a MA in Social Anthropology, Geography and Sociology from Berne University, Switzerland. Email: angela.stienen@phbern.ch
OMAR ALONSO URÁN ARENAS is professor of Urban Sociology at Antioquia University in Medellín, Colombia. He has a PhD in Urban and Regional Planning from the Federal University of Rio de Janeiro, a MA in Urban-Regional Studies and a BA in Sociology both from Antioquia University. Email: uranomar@gmail.com
