Table S1. Top 10 most common abnormal findings on screening chest X-rays. Table S2. Distribution and laterality of pleural thickening. Table S3. Pleural thickening and sex. Table S4. Pleural thickenin
* Data on age, gender, and duration of travel was not available for 92, 7, and 137 patients, respectively.Abbreviationsy: year, F: female, M: male, d: day, UK: United Kingdom, SRB: Serbia, HU: Hungary
