1. Department of Computer and Systems Sciences, The Royal Institute of Technology (Kungliga Tekniska Högskolan, KTH), Kista, Sweden
2. Swedish Institute for Infectious Disease Control (Smittskyddsinstitutet, SMI), Solna, Sweden
3. Swedish Institute of Computer Science (SICS), Kista, Sweden
4. Department of Medical Epidemiology and Biostatistics, Karolinska Institute (Karolinska Institutet), Solna, Sweden
5. National Board of Health and Welfare (Socialstyrelsen), Stockholm, Sweden