PLoS ONE, Vol 9, Iss 4, p e94821 (2014) PLoS ONE Fuhs, Andrea; Bentama, Dunya; Antkowiak, Rafael; Mathis, Johannes; Trenkwalder, Claudia; Berger, Klaus (2014). Effects of short-and long-term variations in RLS severity on perceived health status-the COR-study. PLoS ONE, 9(4), e94821. Public Library of Science 10.1371/journal.pone.0094821