© The Author(s) 2013. This is an online first version (version 2; final draft) of the article whose final and definitive version has been published in 'Journal of Family Issues' by SAGE.
Ellei muuten mainita, aineiston lisenssi on © The Author(s) 2013. This is an online first version (version 2; final draft) of the article whose final and definitive version has been published in 'Journal of Family Issues' by SAGE.