“…Five studies were of the multi-centre type (13,17,60,62,69) and covered all Brazilian regions. The data collected came from residences (2)(3)(4)13,16,17,26,28,(33)(34)(35)(36)38,39,42,(47)(48)(49)(50)53,57,59,(65)(66)(67)(68) , public day-care centres (14,15,24,25,(29)(30)(31)37,41,45,51,52,(54)(55)(56)60,64,70) and health services (27,32,40,…”