1. Health Services Research, University of Siegen, 57076 Siegen, Germany
2. Empirical Economics, Otto von Guericke University Magdeburg, 39106 Magdeburg, Germany
3. University Department of Neurology, Otto von Guericke University Magdeburg, 39120 Magdeburg, Germany
4. Research Campus STIMULATE, Otto von Guericke University Magdeburg, 39106 Magdeburg, Germany
5. Institute of Social Medicine and Health Systems Research, Otto von Guericke University Magdeburg, 39120 Magdeburg, Germany
6. Center for Behavioral Brain Sciences (CBBS), 39106 Magdeburg, Germany