1. University of Southern California
2. Department of Civil and Environmental Engineering
3. Los Angeles, USA
4. LARS Laboratorio di Ricerca Ambientale SIMG/ISDE
5. Milan, Italy
6. Fondazione IRCCS Istituto Nazionale dei Tumori
7. Tobacco Control Unit
8. University of Wisconsin–Madison
9. Environmental Chemistry and Technology Program
10. Madison, USA
11. Cornell University
12. School of Mechanical and Aerospace Engineering
13. NY, USA