作者单位：Division of Internal Medicine, Spedali Civili of Brescia, Brescia, Italy[1]Cardiology Unit, Spedali Civili of Brescia, University of Brescia, Brescia, Italy[2]Pneumology Unit, Ospedali Riuniti of Trieste, Trieste, Italy[3]Respiratory Medicine Unit, Department of Medical and Surgical Sciences, University of Brescia[4]
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