“…Two CPGs (2,23) were globally developed, and the others came from nine different countries: France, Germany, Spain, Switzerland, Japan, Korea, England, Brazil, and Poland (24)(25)(26)(27)(28)(29)(30)(31)(32)(33). Six CPGs (24,26,28,30,31,33) covered the diagnosis and treatment of IPF, five referred to treatment (23,25,27,29,32), and one referred to diagnosis (2). Six CPGs were updated and developed from original guidelines (2,(23)(24)(25)27,31), three were adapted from other guidelines (26,28,30), and the remaining three were original versions (2,32,33).…”