Joint Transnational Call 2018 (JTC2018) i-PAD Ballestar, Esteban (Coordinator)Bellvitge Biomedical Research Institute [SPAIN]Grimbacher, BodoUniversity Medical Center Freiburg [GERMANY]Bock, ChristophLudwig Boltzmann Institute for Rare and Undiagnosed Diseases [AUSTRIA]Hammarström, LennartKarolinska Institutet [SWEDEN]Geiger, RogerInstitute for Research in Biomedicine [SWITZERLAND]