[1] Ctr Georges Francois Leclerc, Dijon, France
[2] Ctr Rene Gauducheau, F-44035 Nantes, France
[3] Boehringer Ingelheim GmbH & Co KG, Paris, France
[4] Boehringer Ingelheim Pharma GmbH Co KG, Ingleheim, Germany
[5] Inst Claudius Regaud, Toulouse, France