1. Centenary Institute Newtown NSW Australia
2. Sydney Medical School University of Sydney Sydney NSW Australia
3. Department of Thoracic Medicine St Vincent's Hospital Darlinghurst NSW Australia
4. Ningxia Medical University Yinchuan Ningxia China
5. QIMR Berghofer Medical Research Institute Brisbane QLD Australia
6. Ningxia Centre for Disease Control and Prevention Yinchuan Ningxia China
7. Infectious Disease Hospital of Ningxia Yinchuan China