1. Jönköping International Business School, Jönköping University, Network for Studies on Pensions, Aging and Retirement (Netspar), The Netherlands, Uppsala Center for Fiscal Studies (UCFS), Centre for Entrepreneurship and Spatial Economics (CEnSE), Sweden
2. Department of Statistics, Uppsala University (affiliated), Uppsala Center for Labour Studies (UCLS) (affiliated), Sweden
3. Swedish Institute of Social Research (SOFI), Stockholm University (affiliated), Sweden