1. MTA-SE NAP B Peripheral Nervous System Research Group, Department of Neurology; Semmelweis University; Balassa u. 6, Budapest 1083 Hungary
2. Department of Traumatology; Szt. István and László Hospital; Budapest Hungary
3. MRI Research Center; Semmelweis University; Budapest Hungary
4. Neurologische Praxis, Dr. Friedrich Behse/Dr. Josef Böhm; Berlin Germany
5. Department of Neurology; Städtisches Klinikum Dessau; Dessau Germany