Global environmental risk factors of schizophrenia: a study protocol for systematic review and meta-analysis of cohort studies.
Mahdavinoor Seyyed Muhammad Mahdi, Mollaei Aghil, Farhang Sara·BMJ open
INTRODUCTION: Schizophrenia is a chronic, complex and severe psychiatric disorder affecting millions of people every year and inflicting different costs to the individual, family and community. A growing body of evidence has introduced several genetic and environmental factors and their interactions as aetiological fac…