Protocol

The aim of this systematic review update is to identify evidence on the benefits and harms of screening for depression in children and adolescents for the Canadian Task Force on Preventive Health Care (CTFPHC) and their depression screening guideline for primary care providers.本次系统评价更新的目标在于为加拿大预防保健任务小组（CTFPHC）及其针对初级保健提供者的抑郁症筛查指南，寻找有关儿童和青少年抑郁症筛查的益处与风险的实证研究。