American Cancer Society. Cancer Facts and Figures 2013. Atlanta, Ga: American Cancer Society. 2013.

Berkman LF, Melchior M, Chastang JF, et al. Social integration and mortality: a prospective study of French employees of Electricity of France-Gas of France: the GAZEL Cohort. Am J Epidemiol. 2004;159(2):167-74.

Kroenke CH, Kubzansky LD, Schernhammer ES, Holmes MD, Kawachi I. Social networks, social support, and survival after breast cancer diagnosis. J Clin Oncol. 2006;24(7):1105-11.

Lillberg K, Verkasalo PK, Kaprio J, et al. Stressful life events and risk of breast cancer in 10,808 women: a cohort study. Am J Epidemiol. 2003;157(5):415-423.

Nakaya N, Tsubono Y, Hosokawa T, et al. Personality and the risk of cancer. J Natl Cancer Inst. 2003;95(11):799-805.

Nakaya N, Tsubono Y, Nishino Y. Personality and cancer survival: the Miyagi cohort study. Br J Cancer. 2005;92(11):2089-2094.

Rawl SM, Given BA, Given CW, et al. Intervention to improve psychological functioning for newly diagnosed patients with cancer. Oncol Nurs Forum. 2002;29(6):967-975.

Sahin ZA, Tan M. Loneliness, depression, and social support of patients with cancer and their caregivers. Clin J Oncol Nurs. 2012;16(2):145-149.

Schapiro IR, Nielsen LF, Jorgensen T, et al. Psychic vulnerability and the associated risk for cancer. Cancer. 2002;94(12):3299-3306.

Sultan S, Fisher DA, Voils CI, et al. Impact of functional support on health-related quality of life in patients with colorectal cancer. Cancer. 2004;101(12):2737-2743.

Yu M, Ferrucci LM, McCorkle R, et al. Employment experience of cancer survivors 2 years post-diagnosis in the Study of Cancer Survivors-I. J Cancer Surviv. 2010;6(2):210-218.