1. Division of Biomedical Informatics; Department of Biostatistics; University of Kentucky; Lexington Kentucky 40536 U.S.A.
2. Department of Computer Science; University of Kentucky; Lexington Kentucky 40536 U.S.A.
3. Institute of Sports Medicine; Department of Orthopaedic Surgery M; Bispebjerg Hospital; Copenhagen Denmark
4. Centre for Healthy Ageing; Faculty of Health and Medical Sciences; University of Copenhagen; Denmark
5. Department of Physiology; Faculty of Science; Mahidol University; Bangkok 10400 Thailand
6. Department of Physiology; Center for Muscle Biology; University of Kentucky; Lexington Kentucky 40536 U.S.A.