1 The Swedish Institute for Health Economics, Lund, Sweden.
2 The Swedish Institute for Health Economics, Lund, Sweden; Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Faculty of Medicine, Lund University, Lund, Sweden.
3 Boehringer Ingelheim AB, Stockholm, Sweden.
4 Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden. Electronic address: marcus.schmitt-egenolf@umu.se.