Affiliation: | 1.Department of Internal Medicine I,Klinikum Saarbrücken,Saarbrücken,Germany;2.Department of Psychosomatic Medicine,Technische Universit?t München,München,Germany;3.Department of Internal Medicine V (Integrative Medicine),University of Duisburg-Essen, Kliniken Essen-Mitte,Essen,Germany;4.Orthopaedic Clinic,University of Heidelberg,Heidelberg,Germany;5.School of Physical Therapy,University of Saskatchewan, Saskatoon,Saskatoon,Canada |