Сполучені Штати Америки

School of Physics and Astronomy, University of Minnesota
Department of Physics and Astronomy, University of Utah
University of Iowa, Department of Physics and Astronomy
School of Physics & Center for Relativistic Astrophysics, Georgia Institute of Technology
Yale University, Department of Physics and Astronomy
University of California, Davis
Department of Physics and Astronomy, Iowa State University
Dept. of Astronomy & Astrophysics, Pennsylvania State University,
Argonne National Laboratory
Department of Physics, Washington University
University of Wisconsin, Madison
Department of Physics, Purdue University
Department of Physics and Astronomy and the Bartol Research Institute, University of Delaware
Astronomy Department, Adler Planetarium and Astronomy Museum
Harvard-Smithsonian Center for Astrophysics
Department of Physics and Astronomy, University of California, Los Angeles
Enrico Fermi Institute, University of Chicago
Santa Cruz Institute for Particle Physics and Department of Physics, University of California, Santa Cruz
Department of Physics and Astronomy, Barnard College; Department of Physics, Columbia University
University of Alabama in Huntsville – Center for Space Physics and Aeronomic Research
Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University