1. Department of Education Management and Policy, Vytautas Magnus University, K. Donelaičio g. 58, Kaunas, Lithuania
2. Faculty of Business Administration, School of Social Sciences, University of Iceland, 2 Sæmundargata Str., 102 Reykjavík, Iceland; School of Public Management, Governance and Public Policy, College of Business and Economics, University of Johannesburg, Auckland Park Kingsway, P.O. Box 524, Johannesburg, South Africa