Two examples employing the sample size estimation techniques described are discussed in detail, while appropriate code is provided in the accompanying R package CRTSize.
Additional information is provided in the accompanying online Supplemental Material (http://www.ehponline.org/docs/2006/8659/suppl.pdf).org/docs/2006/8659/suppl.pdf
A more detailed method is provided in the accompanying Supplementary Material.
Further information regarding the R survreg function is provided as Electronic Supplementary Material accompanying this article.
A more detailed discussion of open access publishing in pharmaceutical sciences is provided in the accompanying CPT PSP Perspective article by Conway.
For trucks, a number of services are provided for accompanied truck transport (the driver also stays onboard), while others are mostly provided for unaccompanied transport (the trailer is transported without the truck and driver).
In the text-text intervention, the same table will be provided only accompanied with text-based messages.
A PRISMA 2009 Checklist is provided as a supplementary document accompanying this paper.
A step-by-step protocol for the library preparation method outlined above is provided in the additional files accompanying this article (additional file 4).
