1st: Tue 14-Thu 16 May 2019, ESRF, Grenoble (FRA)
2nd: Wed 11-Fri 13 Dec 2019, APS-ANL, Lemont (USA)
M Sanchez del Rio (ESRF), Luca Rebuffi (APS) and Xianbo Shi (APS)
Course assistants: Juan Reyes (ESRF) and Rafael Celestre (ESRF).