1. Otto-von-Guericke University,Chair of Electromagnetic Compatibility,Magdeburg,Germany
2. Otto-von-Guericke University,Chair of Medical Telematics and Medical Technology,Magdeburg,Germany
3. Otto-von-Guericke University,Chair of Biomedical Magnetic Resonance,Magdeburg,Germany
4. Hanover Medical School,Department of Radiology,Hanover,Germany,30625