TY - JOUR AU - van der Vaart, R; Witting, M; Riper, H TI - Blending online therapy into regular face-to-face therapy for depression: content, ratio and preconditions according to patients and therapists using a Delphi study JO - BMC Psychiatry VL - 14 PY - 2014 DO - 10.1186/s12888-014-0355-z L3 - PubMed-ID: 25496393 SP - 355 N1 - et al ER -