1 Heinrich-Heine-University, Medical Faculty, Centre for Health and Society, Department of History, Philosophy and Ethics of Medicine, 40225 Düsseldorf, Germany.
2 Department of Occupational, Social and Environmental Medicine, 40225 Düsseldorf, Germany.
3 Heinrich-Heine-University, Medical Faculty, Centre for Health and Society, Department of History, Philosophy and Ethics of Medicine, 40225 Düsseldorf, Germany. Electronic address: nils.hansson@hhu.de.