Headgear Accessory for Exercise-Induced Laryngeal Obstruction Studies

"The participant will undergo the CLE test following standard clinical practice.~The order of events of the aspects of the investigation related to the headgear will be:~1. The headgear is prepared for use.~2. The headgear is fitted onto the participant's head.~3. The endoscope is inserted into the participant.~4. The endoscope is fitted onto the headgear.~5. The CLE test is carried out.~6. The endoscope is removed from the headgear.~7. The endoscope is removed from the participant.~8. The headgear is removed from the participant.~9. The headgear is cleaned and stored."