Funding for this research was provided by:
National Cancer Institute (1U54CA153460-01, U54 CA155496)
Text and Data Mining valid from 2016-12-21
Received: 21 April 2016
Accepted: 21 November 2016
First Online: 21 December 2016
Compliance with ethical standards
: The PIE study is supported by the Transdisciplinary Research on Energetics and Cancer (TREC) Center at Washington University in St. Louis. The TREC Center is funded by the National Cancer Institute at NIH (U54 CA155496), Washington University School of Medicine in St. Louis, and the Alvin J. Siteman Cancer Center. Drs. Colditz and Drake are supported by funding from the National Cancer Institute at NIH (1U54CA153460-01).
: The authors declare that they have no competing interests.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional review board of the Washington University in St. Louis School of Medicine.
: Informed consent was obtained from all individual participants included in the study.