1. Institute for Occupational and Maritime Medicine, University Medical Center Hamburg-Eppendorf , Hamburg, Germany
2. Department of Sociology and Political Science, Centre for Global Health Inequalities Research (CHAIN), Norwegian University of Science and Technology (NTNU) , Trondheim, Norway
3. Department of Social & Behavioral Sciences, Harvard TH Chan School of Public Health , Boston, MA, USA
4. Department of Health Sciences, Bouvé College of Health Sciences, Northeastern University , Boston, MA, USA