- American Institute for Economic ResearchUS1 paper
- Argonne National LaboratoryUS1 paper
- Astronomical Institute of the Slovak Academy of SciencesSK1 paper
- Astrophysique, Instrumentation et ModélisationFR1 paper
- Boston UniversityUS1 paper
- Brookhaven National LaboratoryUS1 paper
- California Institute of TechnologyUS1 paper
- Carnegie Mellon UniversityUS1 paper
- Center for Theoretical PhysicsPL1 paper
- Centre National de la Recherche ScientifiqueFR1 paper
- Centro de Investigaciones Energéticas, Medioambientales y TecnológicasES1 paper
- Cerro Tololo Inter-American ObservatoryCL1 paper
1 paper