1. Department of Pathology and Diagnostics, University of Verona,
Verona, Italy
2. Department of Pathology and Diagnostics, University of Brescia,
Brescia, Italy
3. Pulmonary Division, Verona General Hospital,
Verona, Italy
4. Department of Anatomic Pathology, GB Morgagni Hospital,
Forlì, Italy
5. Department of Diseases of the Thorax, GB Morgagni Hospital,
Forlì, Italy
6. Department of Histopathology, San Raffaele Hospital,
Milan, Italy