CoMix 2.0 social contact data

CoMix social contact data collected in:
- Austria (at)
- Belgium (be)
- Denmark (dk)
- Croatia (hr)
- Estonia (ee)
- Greece (gr)
- Italy (it)
- Poland (pl)
- Portugal (pt)
Format follows the http://www.socialcontactdata.org/ guidelines.

Questionnaire available on ECDC website.
We gratefully acknowledge the efforts of all teams involved in the implementation of the CoMix study in their country. More specifically: in Austria: the team of Andrea Schmidt at the Austrian National Public Health Institute, in Croatia: the team of Goranka Petrović at the Croatian Institute of Public Health (CIPH), in Denmark: the team of Michael Bang Petersen at Aarhus University, in Estonia: the team of Sigrid Vorobjov at the National Institute for Health Development, in Greece: the team of Elpida Pavi at the University of West Attica (UniWA),in Poland: the team of Magdalena Rosinska at the National Institute of Public Health - National Institute of Hygiene, in Portugal: the team of Baltazar Nunes at the National Health Institute Doutor Ricardo Jorge (INSA), in Italy: the team of Daniela Paolotti at the ISI Foundation.

For problems with the dataset, please contact:

socialcontactdata@gmail.com

Changelog for V2:
- Added "country" column in "participant_extra" files to allow easier sub-setting by country.

Changelog for V3:
- Merged files from different countries in one file.