%0 Thesis %B The Faculty of Medicine %D 2020 %G eng %I University of Basel %T Effects of a school-based health intervention and crosssectional associations of schoolchildren’s academic performance, selective attention and health-related quality of life in Port Elizabeth, South Africa %U https://kazibantu.org/wp-content/uploads/2020/09/2020-09-15-Diss-final-edoc.pdf %V PhD