1. Department of Public Administration, Faculty of Political Science and Diplomacy Vytautas Magnus University Kaunas Lithuania
2. Health Research Institute, Faculty of Public Health Lithuanian University of Health Sciences Kaunas Lithuania
3. Laboratory of Demographic Data Max Planck Institute for Demographic Research Rostock Germany
4. Demographic Research Centre, Faculty of Social Sciences Vytautas Magnus University Kaunas Lithuania
5. Mental Health Initiative Vilnius Lithuania