D. Seery, and J. Lidsey. (2006)cite arxiv:astro-ph/0604209
Comment: 23 pages, uses iopart.cls. Replaced with version accepted by JCAP;
some clarifications in the introduction, and references added.
Y. Sekino, and L. Susskind. (2009)cite arxiv:0908.3844
Comment: 71 pages, 16 figures. A preliminary version of the ideas in this
paper was reported in arXiv:0710.1129.
F. Larsen, J. van der Schaar, and R. Leigh. (2002)cite arxiv:hep-th/0202127
Comment: 17 pages, 2 figures, uses JHEP style files; corrected and added
references.