1. University of Coimbra, CERIS, 3030-289 Coimbra, Portugal
2. Itecons, 3030-289 Coimbra, Portugal
3. CeNTI—Centre for Nanotechnology and Smart Materials, 4760-034 Vila Nova de Famalicão, Portugal
4. University of Coimbra, CERIS, Department of Civil Engineering, 3030-790 Coimbra, Portugal