- Generalitat de Catalunya = Generalidad de Cataluña = Government of Catalonia
- Genetic Epidemiology Group, Department of Health Sciences, University of Leicester, Leicester
- Genetic & Molecular Epidemiology Group [Madrid, Spain]
- Génétique épidémiologique et structures des populations humaines
- Georg-August-University = Georg-August-Universität Göttingen
- German Research Center for Environmental Health - Helmholtz Center München (GmbH)
- Ghent University Hospital