<em>C9orf72</em> Intermediate Repeats Confer Genetic Risk for Severe COVID-19 Pneumonia Independently of Age oleh Isabella Zanella, Eliana Zacchi, Simone Piva, Massimiliano Filosto, Giada Beligni, Diana Alaverdian, Sara Amitrano, Francesca Fava, Margherita Baldassarri, Elisa Frullanti, Ilaria Meloni, Alessandra Renieri, GEN-COVID Multicenter Study, GEVACOBA Study Group, Francesco Castelli, Eugenia Quiros-Roldan