1 Federal Office of Public Health (FOPH), Schwarzenburgstrasse 157, 3003, Berne, Switzerland. nvgoetz@ethz.ch.
2 Swiss Federal Institute of Technology (ETH), Rämistrasse 101, 8092, Zurich, Switzerland. nvgoetz@ethz.ch.
3 Quantitative Sustainability Assessment, Department of Environmental and Resource Engineering, Technical University of Denmark, Produktionstorvet 424, 2800, Kongens Lyngby, Denmark.