1. University of the Virgin Islands, College of Science and Mathematics, 2 John Brewers Bay, 00802 St Thomas, VI, USA
2. Etelman Observatory, 00802 St Thomas, VI, USA
3. OzGrav-UWA, University of Western Australia, School of Physics, M013, 35 Stirling Highway, Crawley, WA 6009, Australia
4. OrangeWave Innovative Science, LLC, Moncks Corner, SC 29461, USA
5. INAF-Osservatorio di astrofisica e scienza dello spazio, via P. Gobetti 93/3, I-40129, Bologna, Italy
6. INFN, Sezione di Firenze, I-50019 Sesto Fiorentino, Firenze, Italy
7. IRAP, Université de Toulouse, CNRS, CNES, UPS, 14 Avenue Edouard Belin, F-31400 Toulouse, France
8. ARTEMIS UMR 7250 UCA CNRS OCA, boulevard de l’Observatoire, CS 34229, F-06304 Nice Cedex 04, France