Author Correction: Evidence of an upper ionospheric electric field perturbation correlated with a gamma ray burst

Piersanti, Mirko ¹     ; Ubertini, Pietro ²     ; Battiston, Roberto ³     ; Bazzano, Angela ² ; D’Angelo, Giulia ²     ; Rodi, James G. ² ; Diego, Piero ² ; Zeren, Zhima ⁴ ; Ammendola, Roberto ⁵     ; Badoni, Davide ⁵     ; Bartocci, Simona ⁵ ; Beolè, Stefania ⁶ ; Bertello, Igor ² ; Burger, William J. ⁷ ; Campana, Donatella ⁸ ; Cicone, Antonio ⁹ ; Cipollone, Piero ⁵ ; Coli, Silvia ⁶ ; Conti, Livio ¹⁰     ; Contin, Andrea ¹¹ ; Cristoforetti, Marco ¹²     ; De Angelis, Fabrizio ² ; De Donato, Cinzia ⁵ ; De Santis, Cristian ⁵     ; Di Luca, Andrea ³     ; Fiorenza, Emiliano ² ; Follega, Francesco Maria ³     ; Gebbia, Giuseppe ³     ; Iuppa, Roberto ³ ; Lega, Alessandro ³ ; Lolli, Mauro ¹³ ; Martino, Bruno ¹⁴ ; Martucci, Matteo ⁵ ; Masciantonio, Giuseppe ⁵     ; Mergè, Matteo ¹⁵ ; Mese, Marco ¹⁶ ; Morbidini, Alfredo ² ; Neubüser, Coralie ⁷     ; Nozzoli, Francesco ⁷     ; Nuccilli, Fabrizio ² ; Oliva, Alberto ¹¹     ; Osteria, Giuseppe ⁸     ; Palma, Francesco ⁵ ; Palmonari, Federico ¹¹ ; Panico, Beatrice ¹⁶ ; Papini, Emanuele ² ; Parmentier, Alexandra ¹⁷ ; Perciballi, Stefania ⁶     ; Perfetto, Francesco ⁸ ; Perinelli, Alessio ³     ; Picozza, Piergiorgio ¹⁸ ; Pozzato, Michele ¹³ ; Rebustini, Gianmaria ⁵ ; Recchiuti, Dario ¹⁹     ; Ricci, Ester ³     ; Ricci, Marco ²⁰ ; Ricciarini, Sergio B. ²¹ ; Russi, Andrea ²     ; Sahnoun, Zuleika ¹³ ; Savino, Umberto ⁶ ; Scotti, Valentina ¹⁶     ; Shen, Xuhui ²² ; Sotgiu, Alessandro ⁵     ; Sparvoli, Roberta ¹⁸ ; Tofani, Silvia ² ; Vertolli, Nello ² ; Vilona, Veronica ²³     ; Vitale, Vincenzo ⁵     ; Zannoni, Ugo ² ; Zoffoli, Simona ²⁴     ; Zuccon, Paolo <sup>3    

1</sup>  University of L’Aquila, Department of Physical and Chemical Sciences, L’Aquila, Italy (GRID:grid.158820.6) (ISNI:0000 0004 1757 2611); National Institute of Astrophysics, IAPS, Rome, Italy (GRID:grid.4293.c) (ISNI:0000 0004 1792 8585) 
²  National Institute of Astrophysics, IAPS, Rome, Italy (GRID:grid.4293.c) (ISNI:0000 0004 1792 8585) 
³  University of Trento, Department of Physics, Povo, Italy (GRID:grid.11696.39) (ISNI:0000 0004 1937 0351); TIFPA-INFN, Povo, Trento, Italy (GRID:grid.11696.39) 
⁴  National Institute of Natural Hazards, Ministry of Emergency Management of China, Beijing, People’s Republic of China (GRID:grid.450296.c) (ISNI:0000 0000 9558 2971) 
⁵  INFN, University of Rome Tor Vergata, Rome, Italy (GRID:grid.6530.0) (ISNI:0000 0001 2300 0941) 
⁶  INFN - Sezione di Torino, Torino, Italy (GRID:grid.470222.1) (ISNI:0000 0004 7471 9712) 
⁷  TIFPA-INFN, Povo, Trento, Italy (GRID:grid.4293.c) 
⁸  INFN-Sezione di Napoli, Naples, Italy (GRID:grid.470211.1) (ISNI:0000 0004 8343 7696) 
⁹  National Institute of Astrophysics, IAPS, Rome, Italy (GRID:grid.4293.c) (ISNI:0000 0004 1792 8585); University of L’Aquila, Dipartimento di Ingegneria e Scienze dell’Informazione e Matematica, L’Aquila, Italy (GRID:grid.158820.6) (ISNI:0000 0004 1757 2611) 
¹⁰  INFN, University of Rome Tor Vergata, Rome, Italy (GRID:grid.6530.0) (ISNI:0000 0001 2300 0941); Uninettuno University, Rome, Italy (GRID:grid.473647.5) 
¹¹  University of Bologna, Bologna, Italy (GRID:grid.6292.f) (ISNI:0000 0004 1757 1758); INFN - Sezione di Bologna, Bologna, Italy (GRID:grid.470193.8) (ISNI:0000 0004 8343 7610) 
¹²  TIFPA-INFN, Povo, Trento, Italy (GRID:grid.470193.8); Fondazione Bruno Kessler, Povo, Italy (GRID:grid.11469.3b) (ISNI:0000 0000 9780 0901) 
¹³  INFN - Sezione di Bologna, Bologna, Italy (GRID:grid.470193.8) (ISNI:0000 0004 8343 7610) 
¹⁴  National Institute of Astrophysics, IAPS, Rome, Italy (GRID:grid.4293.c) (ISNI:0000 0004 1792 8585); CNR, V. Fosso del Cavaliere 100, Rome, Italy (GRID:grid.5326.2) (ISNI:0000 0001 1940 4177) 
¹⁵  INFN, University of Rome Tor Vergata, Rome, Italy (GRID:grid.6530.0) (ISNI:0000 0001 2300 0941); Agenzia Spaziale Italia, Rome, Italy (GRID:grid.423784.e) (ISNI:0000 0000 9801 3133) 
¹⁶  INFN-Sezione di Napoli, Naples, Italy (GRID:grid.470211.1) (ISNI:0000 0004 8343 7696); Università degli Studi di Napoli Federico II, Naples, Italy (GRID:grid.4691.a) (ISNI:0000 0001 0790 385X) 
¹⁷  National Institute of Astrophysics, IAPS, Rome, Italy (GRID:grid.4293.c) (ISNI:0000 0004 1792 8585); INFN, University of Rome Tor Vergata, Rome, Italy (GRID:grid.6530.0) (ISNI:0000 0001 2300 0941) 
¹⁸  INFN, University of Rome Tor Vergata, Rome, Italy (GRID:grid.6530.0) (ISNI:0000 0001 2300 0941); University of Rome Tor Vergata, Department of Physics, Rome, Italy (GRID:grid.6530.0) (ISNI:0000 0001 2300 0941) 
¹⁹  National Institute of Astrophysics, IAPS, Rome, Italy (GRID:grid.4293.c) (ISNI:0000 0004 1792 8585); University of Trento, Department of Physics, Povo, Italy (GRID:grid.11696.39) (ISNI:0000 0004 1937 0351) 
²⁰  INFN-LNF, Frascati, Rome, Italy (GRID:grid.6045.7) (ISNI:0000 0004 1757 5281) 
²¹  IFAC-CNR, Sesto Fiorentino, Italy (GRID:grid.6045.7) 
²²  National Space Science Center, Chinese Academy of Sciences, Beijing, People’s Republic of China (GRID:grid.454733.2) (ISNI:0000 0004 0596 2874) 
²³  University of Trento, Department of Physics, Povo, Italy (GRID:grid.11696.39) (ISNI:0000 0004 1937 0351) 
²⁴  Agenzia Spaziale Italia, Rome, Italy (GRID:grid.423784.e) (ISNI:0000 0000 9801 3133)