Computer-assisted Mindfulness-based Cognitive Therapy: feasibility study

INTERVENTION: Computer‐assisted Mindfulness‐based Cognitive Therapy: 30mins, four to eight session, weekly or fortnightly CONDITION: cancer PRIMARY OUTCOME: Hospital Anxiety and Depression Scale (HADS)(before intervention, post‐intervention and 4 weeks after termination) SECONDARY OUTCOME: Edmonton Symptom Assessment Scale (ESAS); Athens Insomnia Scale(AIS); Interview on the experience of the program INCLUSION CRITERIA: Cancer patients who are treated at Keio University Hospital (Department of Neuropsychiatry, Palliative Care Center, or Surgical Department), are able to attend three or more sessions, and have submitted written consent.