1. Riclab LLC, 1650 Casa Grande Street, Pasadena, California 91104, USA; Department of Engineering, University of Sannio at Benevento, Corso Garibaldi, 107, 82100 Benevento, Italy; and LVC
2. Department of Information Engineering, University of Florence, Via diS. Marta, 3, 50139 Florence, Italy; INFN, Italy; and LVC
3. Department of Engineering, University of Sannio at Benevento, Corso Garibaldi, 107, 82100 Benevento, Italy; Centro Fermi, Rome, Italy; INFN, Italy; and LVC and KSC