. 2013 Nov 28;2(2):e52. doi: 10.2196/resprot.2886
©Sarah L Cutrona, Douglas W Roblin, Joann L Wagner, Bridget Gaglio, Andrew E Williams, Rosalie Torres Stone, Terry S Field, Kathleen M Mazor. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 24.11.2013.
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