A. Corbo Esposito (Cassino,University of Lazio Meridionale)

L. D'Onofrio (Naples, University Parthenope)

G.  Moscariello (Naples, University Federico II) 

C. Sbordone (Naples,  University Suor Orsola Benincasa) 

R. Schiattarella (Naples,  University Federico II)

C. Trombetti  (Naples, University Federico  II)

B. Brighi (Université de Haute-Alsace) 

M. Chipot (University of Zurich)

I.  Shafrir ( TechnionI.I. T. Haifa)

V. Valente (IAC, Rome)

G. Vergara-Caffarelli (University of Rome Sapienza)