Affiliation: | (1) Physiotherapiezentrum, Grube 21, 82377 Penzberg, Germany;(2) Department of Epidemiology, Maastricht University, P.O. Box 616, 6200, MD, Maastricht, the Netherlands;(3) CAPHRI School for Public Health and Primary Care, Maastricht University, P.O. Box 616, 6200, MD, Maastricht, the Netherlands;(4) Centre for Evidence-Based Physiotherapy (CEBP), Maastricht University, P.O. Box 616, 6200, MD, Maastricht, the Netherlands |