1. Synchrotron SOLEIL,Gif-Sur-Yvette,France
2. Max IV Laboratory,Lund,Sweden
3. Paul Scherrer Institute,Villigen,Switzerland
4. Jagiellonian University,Cracow,Poland
5. Diamond Light Source Ltd,Didcot,United Kingdom
6. Deutsches Elektronen-Synchrotron DESY,Hamburg,Germany
7. ALBA-CELLS Synchrotron Radiation Facility,Barcelona,Spain
8. The European Synchrotron Radiation Facility (ESRF),Grenoble,France
9. European XFEL,Schenefeld,Germany
10. Laboratori Nazionali di Frascati,Frascati,Italy
11. Elettra-Sincrotrone Trieste,Trieste,Italy