PubMed:: "Electroconvulsive Therapy"[Mesh] OR ect[tiab] OR ects[tiab] OR electric convuls*[tiab] OR electroconvuls*[tiab] OR electroshock*[tiab] OR electric shock*[tiab];; PsycInfo:: (DE "Electroconvulsive Shock Therapy") OR (DE "Electroconvulsive Shock") OR TI (ect OR ects OR “electric convuls*” OR electroconvuls* OR electroshock* OR “electric shock*”) OR AB (ect OR ects OR “electric convuls*” OR electroconvuls* OR electroshock* OR “electric shock*”);; Cochrane Library:: (ect OR ects OR (electric NEXT convuls*) OR electroconvuls* OR electroshock* OR (electric NEXT shock*)):ti,ab,kw