“…(1) Extensive literature research (MEDLINE, further pertinent journals, web sites of funding organisations, research networks, study groups), with the purpose to identify proposals for monitoring strategies and other QM measures as well as their impact on data quality and patient safety. The research revealed a lack of references on this topic, only two approaches for risk assessment were identified [2,3]. Relevant literature on QM measures in clinical trials was summarised in a systematic review [4].…”