1. Facultade de Educación e Traballo Social University of Vigo Vigo Spain
2. School of Health Polytechnic Institute of Porto Porto Portugal
3. Department of Psychology and Education, Portucalense Institute for Human Development (INPP) Portucalense University Porto Portugal
4. Division of General and Community Pediatrics, Cincinnati Children's Hospital University of Cincinnati College of Medicine Cincinnati Ohio USA
5. Reading and Literacy Discovery Center, Cincinnati Children's Hospital University of Cincinnati College of Medicine Cincinnati Ohio USA
6. Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital University of Cincinnati College of Medicine Cincinnati Ohio USA