1. Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, Hamburg, Germany
2. National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoe shosse 31, Moscow, Russia
3. European XFEL GmbH, Holzkoppel 4, Schenefeld, Germany
4. FSRC “Crystallography and Photonics”, Russian Academy of Sciences, Leninskii prospect 59, Moscow, Russia
5. Landau Institute for Theoretical Physics, Russian Academy of Sciences, prospect akademika Semenova 1-A, Chernogolovka, Russia