The Guest Editors are very grateful to the following scientists for their critical and valuable reviews which have significantly contributed to the quality of the papers in this special chapter.

Bikiaris, D., Greece

Biondi, M., Italy

Braissant, O., Switzerland

Casanova, C., Spain

Castronuovo, G., Italy

Cavallaro, G., Italy

Coquerel, G., France

da Costa Monteiro, E. E., Brazil

Fessas, D., Italy

Flandorfer, H., Austria

Iaccarino, N., Italy

Karolewicz, B., Poland

Kozbial, M., Poland

Krutova, O., Russian Federation

Lazzara, G., Italy

Ledeti, I. V., Romania

Marongiu, B., Italy

Monajjemzadeh, F., Iran

Muntean, C., Romania

Mustata, F., Romania

Neves Jr., A., Brazil

Ortiz de Zárate, J. M., Spain

Petraccone, L., Italy

Pielichowski, K., Poland

Popescu, C., Germany

Prnová, A., Slovakia

Ribeiro da Silva, M. D. M. C., Portugal

Sbirrazzuoli, N., Italy

Scampicchio, M., Italy

Schiraldi, A., Italy

Sgarlata, C., Italy

Siciliano, C., Italy

Stefanescu, M., Romania

Suñol Martinez, J. J., Spain

Tabero, P., Poland

Terekhova, I. V., Russian Federation

Tiné, M. R., Italy

Trník, A., Slovakia

Usacheva, T. R., Russian Federation

Valenzuela Diaz, F. R., Brazil

Vecchio Ciprioti, S., Italy

Vittadini, E. G., Italy

Vlase, G., Romania

Vlase, T., Romania

Williams, P. J., South Africa

Wyrzykowski, D., Poland

Zelic, J., Croatia