Davis, Matthew A
Li, Zhigang
Gilbert-Diamond, Diane
Mackenzie, Todd A
Cottingham, Kathryn L
Jackson, Brian P
Lee, Joyce S
Baker, Emily R
Marsit, Carmen J
Karagas, Margaret R
Article History
Received: 24 October 2013
Revised: 25 March 2014
Accepted: 27 March 2014
First Online: 4 June 2014
Competing interests
: The authors declare no conflict of interest.