1 Institute of Orthopedic Research and Biomechanics, Trauma Research Center Ulm, Helmholtzstraße 14, 89081, Ulm, Germany. hans-joachim.wilke@uni-ulm.de.
2 SpineServ GmbH and Co. KG, Söflinger Straße 100, 89077, Ulm, Germany.
3 Institute of Orthopedic Research and Biomechanics, Trauma Research Center Ulm, Helmholtzstraße 14, 89081, Ulm, Germany.
4 Department of Internal Medicine II, University Hospital Ulm, Albert-Einstein-Allee 23, 89081, Ulm, Germany.
5 Small Animal MRI, Medical Faculty, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany.