Date

2017-05-15

Protocol

Protocol changed

Item Changed

Intervention(s) planned

Previous Version

The study will take place at the ENT clinic of the Jaffna Teaching Hospital.

Next Version

The study will take place at the following study sites ENT clinic of the Jaffna Teaching Hospital. National Hospital of Sri Lanka North Colombo Teaching Hospital (Ragama) Vavuniya General Hospital Trincomalee General Hospital Batticaloa General Hospital Private hospitals in Colombo district and suburbs