[1] Univ Witten Herdecke, Inst Integrat Med, Hlth Fac, Dept Med, Herdecke, Germany
[2] Norwegian Univ Sci & Technol, Campus Gjovik,Teknologivn 22, N-2815 Gjovik, Norway
[3] Bundeswehr Univ Munich, Neubiberg, Germany
[4] Hsch Fresenius, Fac Hlth & Social Sci, Dept Osteopathy, Munich, Germany
[5] Tubingen Univ, Childrens Hosp, Tubingen, Germany