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: Geçen yıl boyunca tam dört çalışma grubu çalıştı: Katarakt, sırt ağrısı, koroner arter hastalığı, örneğin kalp krizi, ve prostat kanseri.