1 Pulmonary Division, Heart Institute (InCor), University of Sào Paulo Medical School, Sào Paulo, Brazil.
2 Division of Pulmonary and Critical Care Medicine, Brigham's and Women's Hospital, Harvard Medical School, Boston, MA, United States.
3 State Key Laboratory of Complex Severe and Rare Diseases, Department of Pulmonary and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China.