Social support and depressive mood 1 year after diagnosis of breast cancer compared with the general female population: a prospective cohort study. - Lee MK; Park S; Lee ES; Ro J; Kang HS; Shin KH; Lee KS; Chung KW; Kim SW; Yun YH; Lee, Myung Kyung; Park, Sohee; et al. (Supportive Care in Cancer, 2011)