Evers, O., P. Schröder-Pfeifer, H. Möller, and S. Taubner. “How Do Personal and Professional Characteristics Influence the Development of Psychotherapists in Training: Results from a Longitudinal Study”. Research in Psychotherapy: Psychopathology, Process and Outcome, vol. 22, no. 3, Dec. 2019, doi:10.4081/ripppo.2019.424.