Dear COSTers, the material (Agenda and Presentations) from our 4th MC meeting held online on Janurary 31, 2022 can be donwloaded from this page. Useful downloads Agenda of the 4th MC Meeting Update from COST CA17140 SO - Dr. Lucia Forzi Update from GH - Mrs. Korczynska Update from Grant Awarding Coordinator - Prof. Ottaviani Update from the Science Communication Coordinator -Dr. Riveiro Update from WG1 - Drs. Sanyal and Strasak Update from WG2 - Drs. Vinkovic-Vrcek and Apartsin Update from WG3 - Drs. Catapano and Kahlert Update from WG4 - Drs. Riveiro and Catalano 4th MC Meeting - Chair presentation Minutes of the 4th MC Meeting