Multi centre growth reference study (MGRS) all are true except

Multicentre Growth Reference Study (MGRS) : 1997-2003 Type: Population based study Countries : Brazil, Ghana, India, Oman, Norway, USA Primary growth data and related information gathering from 8440 healthy breast-fed infants and children (0-60 months age) Mother followed breast feeding and not smoking during and after pregnancy New standard generated : Percentile and Z-scores for H for age, W for age, W for L, W for H and BMI for age A key component of the MGRS design was a longitudinal coho of children who were examined in a sequence of 21 visits staing at bih and ending at 24 months of age : Principal rationale for the longitudinal component was to allow for the development of growth velocity standards Ref: Park 25th edition Pgno : 580