However, although ESCMID guidelines were circulated through 2011 ECCMID workshop slides, they were officially issued after the study start.
Participation in an investigational device, drug, or biologics study within the last 24 weeks prior to the study start.
Most patients had taken NSAIDs during the month prior to the study start, but in most cases, consumption was occasional.
Before the study start, all caregivers in each ICU attended an extensive educational program that provided incentives for AEs reporting to minimize measurement bias.
The study was announced on the university hospital intranet, a platform accessible to all employees, and a reminder to send back missing questionnaires was placed one month after the study start.
The people filled out a survey about their alcohol intake at the study start.
Pigs were weighed at the study start, study end, and at various time-points throughout the study as an indication of general pig health.
Healthy rhesus macaques (Macaca mulatta) in the weight range of 2.6 kg to 4.5 kg were quarantined for a minimum of 6 weeks prior to the study start.
Education facilitators were unknown to study participants prior to the study start.
We did not know the duration of use of medications prior to the study start.
Three days prior to the study start, all hypoxic rooms were calibrated by qualified engineers.
