“…Videoconferencing or video consultation was the most frequently used tool (14 studies 227,228,233,235,236,238,[240][241][242][243][244]246,248,253 ), followed by e-mails or web messaging systems (13 studies 223,[229][230][231][232]234,[237][238][239]245,247,249,250,254,256 ). Other categories were web chat (two studies 239,255 ) and SMSs (one study 224 ). The main categories of health-care professionals that were involved in the use of DCCs were therapists or CBT therapists (psychotherapist/psychologist) (11 studies 235,238,[240][241][242][243][244]251,[253][254][255], physicians (eight studies 223,[227]...…”