WAbdus Salam Centre for PhysicsWAdvanced Light SourceWALBA (synchrotron)WASTRID2WBESSYWCanadian Light SourceWCANDLE Synchrotron Research InstituteWDaresbury LaboratoryWDESYWDiamond Light SourceWEuropean Synchrotron Radiation FacilityWHelmholtz-Zentrum BerlinWKurchatov Center for Synchrotron Radiation and NanotechnologyWLaboratório Nacional de Luz SíncrotronWMAX IV LaboratoryWNational Synchrotron Light Source IIWNational Synchrotron Radiation Research CenterWSirius (synchrotron light source)WSOLEILWSPring-8WStanford Synchrotron Radiation LightsourceWSynchrotron Radiation CenterWSynchrotron Radiation SourceWSynchrotron-Light for Experimental Science and Applications in the Middle East