[1
]GRID grid.6203.7, ISNI 0000 0004 0417 4147, Infectious Disease Epidemiology and Prevention, , Statens Serum Institut, ; Artillerivej 5, Copenhagen, Denmark
[2
]GRID grid.418193.6, ISNI 0000 0001 1541 4204, Department of Infectious Disease Epidemiology, , Norwegian Institute of Public Health, ; Oslo, Norway
[3
]GRID grid.14758.3f, ISNI 0000 0001 1013 0499, Department of Health Security, , National Institute for Health and Welfare, ; Helsinki, Finland
[4
]GRID grid.419734.c, ISNI 0000 0000 9580 3113, Department of Monitoring and Evaluation, , Public Health Agency of Sweden, ; Solna, Sweden
[5
]GRID grid.5254.6, ISNI 0000 0001 0674 042X, Section for Geography, IGN, , University of Copenhagen, ; Copenhagen, Denmark
[6
]GRID grid.8657.c, ISNI 0000 0001 2253 8678, Weather and Climate Change Impact Research, , Finnish Meteorological Institute, ; Helsinki, Finland
[7
]GRID grid.436622.7, ISNI 0000 0001 2236 7549, Department of Hydrology, , Norwegian Water Resources and Energy Directorate, ; Oslo, Norway
[8
]GRID grid.5254.6, ISNI 0000 0001 0674 042X, Global Health Section, Department of Public Health, , University of Copenhagen, ; Copenhagen, Denmark
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