1 Cell and Tumor Biology Group, Department of Microgravity and Translational Regenerative Medicine, Otto von Guericke University, 39106 Magdeburg, Germany.
2 Gravitational Biology Group, Cell Biology Division, Department of Biology, Friedrich-Alexander University, 91058 Erlangen, Germany.
3 Postgraduate Program in Health and Environment, University of Joinville Region, 89219-710 Joinville, SC, Brazil.