This report constitutes Deliverable 8.3, for Work Package 8 of the InGRID-2 project. The challenges to set up IPOLIS modules for new vulnerable groups (disabled people, immigrants, the Roma, institutionalised people) were discussed in detail at the expert workshop on Methods and data infrastructure to measure the quality of life of various vulnerable groups: extending IPOLIS, held in Budapest, on 25-27 April 2018. The expert workshop involved speakers from the European Commission, Eurostat, other international organisations, universities, research institutes and national or local level stakeholders. The programme of the event, including all presentations provided by the participants of the workshop are available at http://www.inclusivegrowth.eu/expert-workshops/call-6-expert-workshop-tarki