An article regarding the WHO’s Department of Mental Health and Substance Abuse Global Clinical Practice Network (GCPN) has just been published in Lancet Psychiatry. The article can be accessed at: http://www.thelancet.com/journals/lanpsy/article/PIIS2215-0366%2815%2900183-2/fulltext. The GCPN was established by WHO’s Department of Mental Health and Substance Abuse as a multidisciplinary and multilingual medium for investigating the proposed ICD-11 diagnostic guidelines for mental and behavioural disorders. Mental health and primary care professionals are invited to join the GCPN by registering at www.globalclinicalpractice.net.