Institut Max von Laue – Paul Langevin, Grenoble, France
Institute of Particle Physics and Astrophysics, ETH Zürich. Exotic Matter group
Laboratoire Kastler Brossel, a joint research unit of the Ecole Normale Supérieure, Sorbonne University, Collège de France and CNRS, Paris, France
Stefan Meyer Institute, Austrian Academy of Sciences, Vienna, Austria. Antimatter group.
University of Turku, Wihuri Physical Laboratory https://hturku.utu.fi/.