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Ludwig-Maximilians-University of Munich and Comprehensive Pneumology Center, Munich, Germany (K.M., J.B., N.K.).
Ludwig-Maximilians-University of Munich, Munich, Germany (I.S.).
Ann Intern Med. 2019 Mar 5;170(5):351-352. doi: 10.7326/L18-0359. Epub 2018 Nov 20.