Contribution to authorship
AZL, HD, ML and KC conceptualised the study. VN, IB, EG, HR, AR, MO,
AJN, AP,JEHB, KK, AMK, ALB,CCC, MCA, DT extracted data and verified all
first trimester exposures. LAZ conducted the literature review and data
analysis with technical inputs from HD, ML and KC. AZL, HD drafted the
manuscript with full inputs from all other authors.