References
- Linos E, Keiser E, Kanzler M, et al. Sun protective behaviors and vitamin D levels in the US population: NHANES 2003–2006. Cancer Causes Control 2012;23:133–140.
- Holick MF. Vitamin D deficiency. N Engl J Med 2007;357:266–281.
- Kricker A, Armstrong BK, Hughes AM, et al. Personal sun exposure and risk of non Hodgkin lymphoma: a pooled analysis from the Interlymph Consortium. Int J Cancer 2008;122:144–154.
- Purdue MP, Freedman DM, Gapstur SM, et al. Circulating 25-hydroxyvitamin D and risk of non-hodgkin lymphoma: Cohort Consortium Vitamin D Pooling Project of Rarer Cancers. Am J Epidemiol 2010;172:58–69.
- Tretli S, Schwartz GG, Torjesen PA, et al. Serum levels of 25-hydroxyvitamin D and survival in Norwegian patients with cancer of breast, colon, lung, and lymphoma: a population-based study. Cancer Causes Control 2012;23:363–370.
- Drake MT, Maurer MJ, Link BK, et al. Vitamin D insufficiency and prognosis in non-Hodgkin's lymphoma. J Clin Oncol 2010;28: 4191–4198.
- Bittenbring J, Achenbach M, Altmann B, et al. Inferior outcome of elderly DLBCL patients with 25-OH vitamin D deficiency treated with CHOP plus rituximab (R): results of the RICOVER-60 trial of the German High-Grade Non-Hodgkin Lymphoma Study Group (DSHNHL). Hematol Oncol 2013;31(Suppl. 1): Abstract 103.
- Shanafelt TD, Drake MT, Maurer MJ, et al. Vitamin D insufficiency and prognosis in chronic lymphocytic leukemia. Blood 2011;117: 1492–1498.
- Kelly JL, Salles G, Goldman BH, et al. Low serum vitamin D levels are associated with inferior survival in follicular lymphoma: a prospective evaluation in SWOG and Lysa Studies. Blood 2012;120(Suppl. 1): Abstract 2712.
- Jaffe ES, Harris N, Stein H, et al. World Health Organization classification of tumours: pathology and genetics, tumours of hematopoietic and lymphoid tissues. Lyon: IARC Press; 2001.
- Flegal KM, Carroll MD, Kit BK, et al. Prevalence of obesity and trends in the distribution of body mass index among US adults, 1999-2010. JAMA 2012;307:491–497.
- Institute of Medicine. Dietary reference intakes for calcium and vitamin D. Washington, DC: The National Academies Press; 2011.
- Snijder MB, van Dam RM, Visser M, et al. Adiposity in relation to vitamin D status and parathyroid hormone levels: a population-based study in older men and women. J Clin Endocrinol Metab 2005;90:4119–4123.
- Powe CE, Evans MK, Wenger J, et al. Vitamin D-binding protein and vitamin D status of black Americans and white Americans. N Engl J Med 2013;369:1991–2000.
- Manson JE, Mayne ST, Clinton SK. Vitamin D and prevention of cancer--ready for prime time? N Engl J Med 2011;364:1385–1387.