Cramer, Holger MSc*; Lauche, Romy PhD*; Hohmann, Claudia MD*; Lüdtke, Rainer MSc†; Haller, Heidemarie MSc*; Michalsen, Andreas MD‡,§; Langhorst, Jost MD*; Dobos, Gustav MD*
*Chair of Complementary and Integrative Medicine, University of Duisburg-Essen
†Karl and Veronica Carstens Foundation, Essen
‡Immanuel Hospital Berlin, Department of Internal and Complementary Medicine
§Institute of Social Medicine, Epidemiology and Health Economics, Charité University Medical Centre, Berlin, Germany
The authors declare no conflict of interest. This study was supported by a research Grant from the Karl and Veronica Carstens Foundation, Essen, Germany. The funding source had a role in the design and biometrical analysis of the study.
Reprints: Holger Cramer, MSc, Kliniken Essen-Mitte, Klinik für Naturheilkunde und Integrative Medizin, Knappschafts-Krankenhaus, Am Deimelsberg 34a, 45276 Essen, Germany (e-mail: [email protected]).
Received October 5, 2011
Accepted February 18, 2012