Table 2. Inclusion and exclusion criteria for Phase 1.

Inclusion criteria

At least 18 years old

Active duty military personnel or civilian law enforcement personnel and actively involved in training or operations

Able to give informed consent

Subjects who are enrolled in the training course or assigned to participate in training exercises

Any individual who is fit for duty with no training restrictions

Exclusion criteria

Inability to read and sign consent

Not active duty military or civilian law enforcement personnel

Identified by command as being on any form of restricted duty

The PI (as per the IRB protocol) also maintains the prerogative to disqualify a volunteer if it is deemed that the volunteer’s participation would be unsafe for the volunteer or staff or would be disruptive to study conduct.