[1] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Hlth Behav & Soc, Baltimore, MD 21205 USA
[2] Seoul Natl Univ, Canc Hosp, Dept Family Med, Seoul, South Korea
[3] Seoul Natl Univ, Canc Hosp, Hlth Promot Ctr, Seoul, South Korea
[4] Seoul Natl Univ, Canc Hosp, Canc Survivorship Clin, Seoul, South Korea
[5] Hosp Goyang, Family Med Clin, Goyang, South Korea
[6] Natl Canc Ctr, Natl Canc Control Inst, Goyang, South Korea
[7] Johns Hopkins Bloomberg Sch Publ Hlth, Dept Epidemiol, Baltimore, MD USA
[8] Sunkyungkwan Univ, Sch Med, Samsung Med Ctr, Canc Educ Ctr,Samsung Comprehens Canc Ctr, Seoul, South Korea