1. Alessandrini ER, Faustini A, Chiusolo M, Stafoggia M, Gandini M, Demaria M, Antonelli A, Arena P, Biggeri A, Canova C, Casale G, Cernigliaro A, Garrone E, Gherardi B, Gianicolo EA, Giannini S, Iuzzolino C, Lauriola P, Mariottini M, Pasetto P, Randi G, Ranzi A, Santoro M, Selle V, Serinelli M, Stivanello E, Tominz R, Vigotti MA, Zauli-Sajani S, Forastiere F, Cadum E, Gruppocollaborativo EpiAir2 (2013) Air pollution and mortality in twenty-five Italian cities: results of the EpiAir2 Project. Epidemiol Prev 37:220–229
2. Analitis A, Katsouyanni K, Dimakopoulou K, Samoli E, Nikoloulopoulos AK, Petasakis Y, Touloumi G, Schwartz J, Anderson HR, Cambra K, Forastiere F, Zmirou D, Vonk JM, Clancy L, Kriz B, Bobvos J, Pekkanen J (2006 Mar) Short-term effects of ambient particles on cardiovascular and respiratory mortality. Epidemiology 17(2):230–233
3. Avlund K, Damsgaard MT, Schroll M (2001) Tiredness as determinant of subsequent use of health and social services among nondisabled elderly people. J Aging Health 13(2):267–286
4. Basagaña X, Aguilera I, Rivera M, Agis D, Foraster M, Marrugat J, Elosua R, Künzli N (2013 Oct 15) Measurement error in epidemiologic studies of air pollution based on land-use regression models. Am J Epidemiol 178(8):1342–1346
5. Berkey CS, Hoaglin DC, Mosteller F et al (1995) A random-effects regression model for metaanalysis. Stat Med 14:395–411