1. Division of KinesiologyDepartment of Social and Preventive MedicineFaculty of MedicineLaval University Ste‐Foy Quebec
2. Department of BiochemistryFaculty of Medical SciencesUniversity of Nijmegen Nijmegen The Netherlands
3. Department of Exercise SciencesUniversity of Southern California Los Angeles California
4. Division of Endocrinology and MetabolismUniversity of Pittsburgh Pittsburgh Pennsylvania 15213 USA
5. Department of MedicineUniversity of Pittsburgh Pittsburgh Pennsylvania 15213 USA