Knowledge and beliefe of general practitioners and patients about screening for colorectal and prostate cancer - survey on the current situation and over time

Interventions: Group 1: Data will be collected from 150 GPs by means of a doctor’s questionnaire and from 50 patients each by means of another questionnaire.
Primary outcome(s): To collect data on the knowledge, attitude and use of screening for prostate and colorectal cancer among GPs and the patients they care for, with the aim of uncovering further potential for improving screening and thus early detection of these diseases.
Study Design: Allocation: ; Masking: ; Control: ; Assignment: ; Study design purpose: prevention