[1] Univ Calif San Francisco, Sch Nursing, San Francisco, CA 94143 USA
[2] Univ Calif Los Angeles, Sch Nursing, Nursing, Los Angeles, CA 90024 USA
[3] Univ Calif Los Angeles, Sch Nursing, Los Angeles, CA 90024 USA
[4] Univ Calif Los Angeles, David Geffin Sch Med, Los Angeles, CA USA
[5] Charles Univ Prague, Fac Med 1, Dept Endocrinol & Metab, Dept Med 3, Prague, Czech Republic
[6] Gen Univ Hosp, Prague, Czech Republic
[7] Inst Hyg & Epidemiol, Prague, Czech Republic
[8] Charles Univ Prague, Fac Med 1, Prague, Czech Republic
[9] Gen Univ Hosp, Prague, Czech Republic
[10] Canc Ctr, Warsaw, Poland
[11] Inst Oncol Canc Epidemiol & Prevent, Warsaw, Poland
[12] WHO Collaborating Ctr, Warsaw, Poland
[13] Inst Oncol, Warsaw, Poland