Thomas Stege 1, John Bolte 1, 2, Liesbeth Claassen 1, 3, Danielle Timmermans 1, 3
1 National Institute for Public Health and the Environment (RIVM), Bilthoven, Netherlands, 2 Smart Sensor Systems group, Faculty of Technology, Innovation, and Society, The Hague University of Applied Sciences, Delft, Netherlands, 3 Amsterdam Public Health research institute, Department of Public and Occupational Health, VU University Medical Center, Amsterdam, Netherlands