Oak Ridge National Lab, USA	5 Jun – 7 Jun 2024
	LU Hannover, Germany	5 Dec – 7 Dec 2023
	LU Hannover, Germany	19 May – 11 Jun 2023
	TU Dresden, Germany	30 May – 2 Jun 2023
	LU Hannover, Germany	6 Dec – 29 Dec 2022
	LU Hannover, Germany	20 May – 19 Jun 2022
	TU Braunschweig, Germany	15 Jun 2022
	University of Lyon, France	16 Oct – 18 Oct 2019
	Univ. of York, UK	4 Sep – 6 Sep 2019
	Rice Univ., USA	3 Jul – 5 Jul 2019
	LU Hannover, Germany	1 May – 4 May 2019
	NIAIST, TIT, Chiba, Tsukuba, Riken, Univ. of Tokyo, Japan	21 Jan – 25 Jan 2019
	Univ. of Strasbourg, France	26 Nov – 27 Nov 2018
	LU Hannover, Germany	4 Dec – 6 Dec 2018
	Georgia Tech, USA	24 Jul – 28 Jul 2018
	New York University, USA	4 May 2018
	New Mexico State University, USA	7 May – 10 May 2018
	Univ. of Stuttgart, France	16 Jan – 18 Jan 2018
	UC Louvain, Belgium	11 Jan – 12 Jan 2018
	IMT Atlantique, France	7 Jan – 11 Jan 2018
	Berkeley Lab, USA	2 Jul – 8 Jul 2017
	Sandia National Labs, USA	24 Jun – 2 Jul 2017
	TU Dresden, Germany	15 May – 15 Jun 2017
	TU Dresden, Germany	1 Nov – 2 Nov 2016
	LU Hannover, TU Berlin, MPI Magdeburg, TU Brau., Germany	5 Jun – 13 Jun 2016
	Virginia Tech, USA	14 Dec – 24 Dec 2015
	Brown Univ., USA	10 Dec – 12 Dec 2015
	Massachusetts Institute of Technology, USA	10 Oct – 11 Oct 2014