1. School of Education, University of Glasgow, Scotland, UK
2. School of Inclusive and Special Education, Dublin City University, Dublin, Ireland
3. School of Education and Human Development, University of Colorado Denver, Denver, CO, USA
4. Centre for Principal Development, Umeå University, Umea, Sweden
5. School of Education, University of Bath, Bath, UK
6. Department of Research, Counseling, and Curriculum, Augusta University, Augusta, GA, USA
7. Department of Educational Leadership and Policy Studies, University of Tennessee ELI, Knoxville, TN, USA
8. Assistant Superintendent for Teaching and Learning, Schenectady City School District, Schenectady, NY, USA