Department of Medicine Faculty of Medicine Ramathibodi Hospital Mahidol University Bangkok Thailand;
Division of Pulmonary and Critical Care Medicine Department of Medicine Faculty of Medicine Ramathibodi Hospital Mahidol University Bangkok Thailand;
Pneumocystis jiroveci Pneumonia; Nocardiosis.; Cytomegalovirus (CMV); Corneal Transplantation; Acute Respiratory Failure; Glucocorticoid; Ground Glass Opacities; Brochoalveolar Lavage Fluid (BALF);