- Center for Astrophysics Harvard & SmithsonianUS1 paper
- Centre for Research in Engineering Surface TechnologyIE1 paper
- Ehime UniversityJP1 paper
- Tokyo University of ScienceJP1 paper
- Tsinghua UniversityCN1 paper
- University of ChicagoUS1 paper
- University of Maryland, College ParkUS1 paper
- University of MichiganUS1 paper
- University of SouthamptonGB1 paper
1 paper