1Newcastle University and Campbell Collaboration, Newcastle upon Tyne, United Kingdom
2The University of Texas Health Science Center at Houston and Campbell Collaboration, Houston, Texas, USA
3Center of Evidence-based Education and Arts Therapies: a JBI affiliated Group, Faulty of Education, Palacky University Olomouc, Zizkovo nam. 5, Olomouc, 77900, Czech Republic
4Education Endowment Foundation, London, United Kingdom
5World Health Organization, Switzerland
6Bruyère Research Institute and Campbell Collaboration, Canada
