Key components and activities of the matrix support intervention
| Components | Activities |
| Advice and support from mental health to primary care professionals | Case discussion Follow-up of treatment plans On-site training and joint consultations |
| Specialist care provided by the mental health professionals | Outpatient management of severe cases Referral and liaison to other services |
| Joint case management and administrative activities | Feedback on referrals and waiting lists Agreement of local guidelines and protocols Definition of professional roles in collaborative care Identification of training and support needs |
Source: adapted from Saraiva et al.14