1. Larkin Community Hospital, South Miami, FL, USA
2. The Aga Khan University, Karachi, Pakistan
3. Fatima Jinnah Medical University, Lahore, Pakistan
4. King Edward Medical University, Lahore, Pakistan
5. Lahore General Hospital, Lahore, Pakistan
6. Universidad Espiritu Santo, Samborondon, Ecuador
7. Respiralab Research Group, Guayaquil, Ecuador