1Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany
2Department of Pediatrics and Adolescent Medicine, University of Cologne, Cologne, Germany
3Faculty of Medical Engineering and Technomathematics, FH Aachen University of Applied Science Aachen, Aachen, Germany
4Institute of Biomechanics and Orthopaedics, German Sport University, Cologne, Germany
5Department of Orthopaedics, University of Zürich, Zürich, Switzerland
6Department of Molecular Medicine, University of Pavia, Pavia, Italy
7CNR-IBFM, Segrate, MI Italy
8Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
9Centre for Human and Applied Physiological Sciences, King’s College London, London, UK
10Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
11CERM Centro di Ricerca di Risonanze Magnetiche, Florence, Italy
12Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Bologna, Italy
13Department of Biomedical Sciences for Health, University of Milan, Milano, Italy
14Fondazione Salvatore Maugeri (IRCSS), Scientific Institute of Pavia, Pavia, Italy
15Department of Biomedical Sciences, University of Padova, Padova, Italy
© The Author(s) 2018
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