Personnel: People employed in an organization or engaged in an organized undertaking such as military service
Ambulatory: Relating to or adapted for walking
epidemiological: Relating to the branch of medicine which deals with the incidence, distribution, and control of diseases
research: The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions
record: A thing constituting a piece of evidence about the past, especially an account kept in writing or some other permanent form
include: Comprise or contain as part of a whole