Christina A. Clarke, Tim Miller, Ellen T Chang, Daixin Yin, Myles Cockburn, Scarlett L Gomez
Soc Sci Med.
Author manuscript; available in PMC 2011 May 1.Published in final edited form as: Soc Sci Med. 2010 May; 70(9): 1373–1380. Published online 2010 February 12. doi: 10.1016/j.socscimed.2010.01.003