IFNG and osteogenesis imperfecta: From our previous study, T. marneffei infection in patients with anti-IFN-γ-auto-Abs at our center was observed in 9 of 80 patients (11.3%), or 9 of 194 total OI episodes (5.0%), which is significantly lower than the OI incidence among those who received BTZ in the present study [4].