1. World Anti-Doping Agency, 800 Place Victoria, Montreal, Quebec, H4Z 1B7, Canada.
2. ANZAC Research Institute, Australia; and, Member of World Anti-Doping Agency’s Health, Medical & Research Committee
3. Campus Mitte Charité, Berlin, Germany
4. Institute of Biochemistry/Center for Preventive Doping Research, German Sport University, Cologne, Germany