Saeed Farooq1,2, Farooq Naeem3, Swaran P Singh4,5. 1. Research Institute for Primary Care & Health Sciences, Keele University, UK. 2. South Staffordshire and Shropshire NHS Foundation Trust, UK. 3. Queens University, Kingston, Ontario, Canada. 4. Warwick Medical School, University of Warwick, Coventry, UK. 5. Birmingham and Solihull Mental Health Foundation Trust, Birmingham, UK.