1. Biophysics Unit, Institute of Biomedical Research in Light and Image (IBILI), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.
2. School of Sciences, University of Minho, Braga, Portugal.
3. Department of Internal Medicine, University of Pretoria, Pretoria, South Africa.
4. Centre of Investigation on Environment, Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, Coimbra, Portugal.