Institute of Biochemistry (L.S., S.B.-A., F.H., J.N., R.B.) and Department of Pharmaceutical Biology (J.Z.), Saarland University, Saarbrucken, Germany; and Institute of Biochemistry, Center for Preventive Doping Research, German Sports University, Cologne, Germany (M.T.)

Institute of Biochemistry (L.S., S.B.-A., F.H., J.N., R.B.) and Department of Pharmaceutical Biology (J.Z.), Saarland University, Saarbrucken, Germany; and Institute of Biochemistry, Center for Preventive Doping Research, German Sports University, Cologne, Germany (M.T.)

Institute of Biochemistry (L.S., S.B.-A., F.H., J.N., R.B.) and Department of Pharmaceutical Biology (J.Z.), Saarland University, Saarbrucken, Germany; and Institute of Biochemistry, Center for Preventive Doping Research, German Sports University, Cologne, Germany (M.T.)

Institute of Biochemistry (L.S., S.B.-A., F.H., J.N., R.B.) and Department of Pharmaceutical Biology (J.Z.), Saarland University, Saarbrucken, Germany; and Institute of Biochemistry, Center for Preventive Doping Research, German Sports University, Cologne, Germany (M.T.)

Institute of Biochemistry (L.S., S.B.-A., F.H., J.N., R.B.) and Department of Pharmaceutical Biology (J.Z.), Saarland University, Saarbrucken, Germany; and Institute of Biochemistry, Center for Preventive Doping Research, German Sports University, Cologne, Germany (M.T.)

Institute of Biochemistry (L.S., S.B.-A., F.H., J.N., R.B.) and Department of Pharmaceutical Biology (J.Z.), Saarland University, Saarbrucken, Germany; and Institute of Biochemistry, Center for Preventive Doping Research, German Sports University, Cologne, Germany (M.T.)

Institute of Biochemistry (L.S., S.B.-A., F.H., J.N., R.B.) and Department of Pharmaceutical Biology (J.Z.), Saarland University, Saarbrucken, Germany; and Institute of Biochemistry, Center for Preventive Doping Research, German Sports University, Cologne, Germany (M.T.)