Issue 2 - ¿Update on adverse respiratory effects of indoor air pollution¿. Part 2): Indoor air pollution and respiratory diseases: Perspectives from Italy and some other GARD countries G. Sarno; I. Stanisci; S. Maio; S. Williams; E.M. Khoo; S.G. Diaz; E.V. Ponte; L.T.T. Lan; T. Soronbaev; D. Behera; S. Tagliaferro; S. Baldacci; G. Viegi;