Marisaldi, N. Østgaard, T. Neubert, V. Reglero, A. Mezentsev, P. Kochkin, N. Lehtinen, D. Sarria, C. Maiorana, C.A. Skeie, A. Lindanger, O. Chanrion, M. Heumesser, K. Dimitriadou, J. Navarro-Gonzales, P. Connell, C. Eyles, F. Christensen, Terrestrial Gamma-ray Flashes science highlights from the ASIM mission, AGU Fall Meeting, San Francisco, 9-13 December, 2019 (Invited talk)