Acknowledgements

The study was supported by Russian Foundation for Humanities (15-03-00722 “Coevolution of knowledge and communication networks: structural dynamics of creative collectives in European cultural capitals”, 2015–2017), Russian Foundation for Basic Research (18-011-00796 “Dynamic of Sociocultural Network Structures”, 2018–2020), and The Centre for German and European Studies (Bielefeld University, St. Petersburg State University, and German Academic Exchange Service (DAAD) with funds from the German Foreign Office). The authors express their gratitude to those who helped in data collection and processing: Aleksandra Nenko, Olga Volkova, Maria Veits, and Olga Nikiforova.