1. Occupational Health Department; Coimbra Hospital and University Centre (CHUC); Praceta Prof. Mota Pinto, 3000-075 Coimbra Portugal
2. Dermatology Department; Coimbra Hospital and University Centre (CHUC); Praceta Prof. Mota Pinto, 3000-075 Coimbra Portugal
3. Dermatology Clinic, Medicine Faculty; Coimbra University; Praceta Prof. Mota Pinto, 3000-075 Coimbra Portugal