english: They've worked -- four working groups have worked during the past year: cataracts, back pain, coronary artery disease, which is, for instance, heart attack, and prostate cancer.
non_english: 4 radne grupe je radilo tokom prošle godine: katarakte, bol u leđima, bolest koronarnih arterija, što je, na primer, srčani udar, i rak prostate.