| Authors: |
Usichenko TI; Department of Anesthesiology, University Medicine of Greifswald, Germany; Department of Anesthesia, McMaster University, Hamilton, Canada. Electronic address: usichent@mcmaster.ca., Hua K; Institute for Social Medicine, Epidemiology and Health Economics, Charité University Medicine, Berlin, Germany., Cummings M; British Medical Acupuncture Society, London, UK., Nowak A; Department of Anesthesiolgy and Intensive Care Medicine, Emergency Medicine & Pain Management, Dresden Municipal Hospital, Dresden, Germany., Hahnenkamp K; Department of Anesthesiology, University Medicine of Greifswald, Germany., Brinkhaus B; Institute for Social Medicine, Epidemiology and Health Economics, Charité University Medicine, Berlin, Germany., Dietzel J; Institute for Social Medicine, Epidemiology and Health Economics, Charité University Medicine, Berlin, Germany. |