1. University of Ioannina,Unit of Medical Technology and Intelligent Information Systems,Dept. of Materials Science and Engineering,Ioannina,Greece,GR45110
2. University Hospital of Ioannina,Dept. of Endocrinology,Ioannina,Greece,GR45110
3. Biomedical Research Institute, FORTH, University Campus of Ioannina,Ioannina,Greece,GR45110