1. Diamond Light Source, Harwell Campus, Didcot, OX11 0DE, UK
2. University of Oxford, Department of Physics, Denys Wilkinson Building, Keble Road, Oxford, OX1 3RH, UK
3. Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, Warsaw 02-668, Poland
4. Lviv Polytechnic National University, 12 Bandera, Lviv 79013, Ukraine