Effectiveness of pulmonary rehabilitation in patients with interstitial lung disease of different etiology: a multicenter prospective study oleh Roberto Tonelli, Elisabetta Cocconcelli, Barbara Lanini, Isabella Romagnoli, Fabio Florini, Ivana Castaniere, Dario Andrisani, Stefania Cerri, Fabrizio Luppi, Riccardo Fantini, Alessandro Marchioni, Bianca Beghè, Francesco Gigliotti, Enrico M. Clini