1. Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephessiou, 11527 Athens, Greece
2. Information Technologies in Medicine and Biology, Department of Informatics and Telecommunications, National and Kapodistrian University of Athens, 15784 Athens, Greece
3. DiSTABiF, Università della Campania Luigi Vanvitelli, Via Vivaldi 43, 81100 Caserta, Italy
4. Greek Research and Technology Network, S.A., 7 Kifissias Avenue, 11523 Athens, Greece