1 Epidemiology and Global Health, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden; [email protected].
2 Institute for Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam.
3 Epidemiology and Global Health, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden; School of Public Health, University of Washington, Seattle, WA, USA.
4 Epidemiology and Global Health, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden.