Eichenberg, C.; Raile, P.; Becher, S.; Dapeci, C.; Pacher, J.; Rach, P. J. M.; Schiller, B.; Wimmer, E.; Winter, L. Online and Telepsychotherapy: On the Change of Setting During the Covid 19 Pandemic. Psychotherapie-Wissenschaft 2021, 11, 71-79.