Cardiovascular risk factors: The effects of ageing and smoking on the immune system, an observational clinical study

H. W. Grievink1,2, V. Smit2, B. W. Huisman1,3, P. Gal1,4, Y. Yavuz1, C. Klerks1, C. J. Binder5, I. Bot2, J. Kuiper2, A. C. Foks2 and M. Moerland1,4*