1. Educational Studies, University of Michigan, School of Education, Ann Arbor, 48109-1382, MI, United States
2. University of Michigan, Ann Arbor, 48109-1382, MI, United States
3. University of Bristol, Bristol, BS8 1QU, United Kingdom of Great Britain and Northern Ireland
4. Universidad de Granada, Granada, 18071, Spain
5. Universidad del Tolima, Ibague, Colombia
6. Universidad Nacional de Colombia, Bogota, Colombia
7. La Jurisdicción Especial para la Paz, Bogota, Colombia