Warnat-Herresthal, S., Schultze, H., Shastry, K.L., Manamohan, S., Mukherjee, S., Garg, V., Sarveswara, R., Händler, K., Pickkers, P., Aziz, N.A., Ktena, S., Tran, F., Bitzer, M., Ossowski, S., Casadei, N., Herr, C., Petersheim, D., Behrends, U., Kern, F., Fehlmann, T., Schommers, P., Lehmann, C., Augustin, M., Rybniker, J., Altmüller, J., Mishra, N., Bernardes, J.P., Krämer, B., Bonaguro, L., Schulte-Schrepping, J., De Domenico, E., Siever, C., Kraut, M., Desai, M., Monnet, B., Saridaki, M., Siegel, C.M., Drews, A., Nuesch-Germano, M., Theis, H., Heyckendorf, J., Schreiber, S., Kim-Hellmuth, S., Nattermann, J., Skowasch, D., Kurth, I., Keller, A., Bals, R., Nürnberg, P., Rieß, O., Rosenstiel, P., Netea, M.G., Theis, F., Mukherjee, S., Backes, M., Aschenbrenner, A.C., Ulas, T., Breteler, M.M.B., Giamarellos-Bourboulis, E.J., Kox, M., Becker, M., Cheran, S., Woodacre, M.S., Goh, E.L. and Schultze, J.L. 2021. Swarm Learning for decentralized and confidential clinical machine learning. Nature. 594, 7862 (Jun. 2021), 265--270.