Cases of disease recurrence with potential explanations.

<p>Cases of disease recurrence with potential explanations.</p

Disease risk factors and their relationship with mortality.

<p>Disease risk factors and their relationship with mortality.</p

Data collection and its completeness.

<p>Data collection and its completeness.</p

Disease severity, outcome and supportive care over the course of the study.

<p>Disease severity, outcome and supportive care over the course of the study.</p

Age at presentation and case-fatality rate.

<p>Age at presentation and case-fatality rate.</p

The presence of risk factors for disease, stratified by ATSI status.

<p>The presence of risk factors for disease, stratified by ATSI status.</p