ABSTRACT

Carlo Rosati is affiliated with Philip Morris, International, R&D, Applied Research Department, Quai Jeanreneaud 56, 2000 Neuchatel, Switzerland (E-mail: carlo.rosati@ pmintl.com).

Philippe Simoneau is affiliated with UMR PaVe 77, Faculte des Sciences, Boule­ vard Lavoisier 2,49045 Angers, France (E-mail: philippe.simoneau@univ-angers.fr).