[1] World Antidoping Agcy Montreal, Montreal, PQ, Canada
[2] Lab Natl Depistage Dopage, Chatenay Malabry, France
[3] Municipal Inst Med Res, Pharmacol Res Unit, Barcelona, Spain
[4] Lab Doping Anal, Lausanne, Switzerland
[5] Univ Ghent, Doping Control Lab, B-9000 Ghent, Belgium