title: Introduction to the special section.
authors.forename: James
authors.initials: J
authors.lastname: McHale
authors.forename: Maureen R
authors.initials: MR
authors.lastname: Waller
mesh_terms: D002648:Child; D002675:Child, Preschool; D005220:Fathers; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009035:Mothers; D010287:Parent-Child Relations; D016487:Parenting; D015406:Single Parent