Berger, Lawrence M.
Font, Sarah A.
Slack, Kristen S.
Waldfogel, Jane
Funding for this research was provided by:
National Institute of Child Health and Human Development (P30 HD03352)
National Institute of Child Health and Human Development (R01 HD 36916)
National Institute of Child Health and Human Development (R01 HD39135)
National Institute of Child Health and Human Development (R01 HD 40421)
National Institute of Child Health and Human Development (R24 HD 042849)
National Institute of Child Health and Human Development (T32 HD007081)
National Institute of Child Health and Human Development (P2C HD058486)
Article History
Received: 25 April 2015
Accepted: 8 August 2016
First Online: 29 September 2016
Compliance with ethical standards
:
: The authors declare that they have no competing interests.