1. Centre for Infectious Disease Control, National Institute for Public Health and the Environment , Bilthoven , The Netherlands
2. Center for Marine Environmental Studies, Ehime University , Ehime , Japan
3. Department of Infectious Diseases, Public Health Service Amsterdam
4. Department of Infectious Diseases, Public Health Service Region Utrecht , Zeist
5. Department of Infectious Diseases, Public Health Service Haaglanden , Den Haag , The Netherlands
6. School of Public Health, The University of Hong Kong , Hong Kong Special Administrative Region , China
7. Department of Biomedical Data Sciences, Leiden University Medical Center , The Netherlands