Errattum: Haemoglobin S and haemoglobin C: 'Quick but costly' versus 'slow but gratis' genetic adaptations to Plasmodium falciparum malaria (Human Molecular Genetics (2008) vol. 17 (6) (789-799) 10.1093/hmg/ ddm350) - Modiano, D; Bancone, G; Ciminelli, B; Pompei, F; Blot, I; Simporé, J; Modiano, G (2008)