1. Institute of Health and Care Sciences; The Sahlgrenska Academy at University of Gothenburg; Gothenburg Sweden
2. Vårdalinstitutet; The Swedish Institute for Health Sciences; Lund Sweden
3. Karolinska Institute; Medical Management Centre (MMC); Stockholm Sweden
4. Department of Medical and Health Sciences; Linköping University; Linköping Sweden
5. Department of Public Health and Community Medicine/Social Medicine; Institute of Medicine; The Sahlgrenska Academy at University of Gothenburg; Gothenburg Sweden