[1] McGill University Health Center,
[2] MGH,undefined
[3] 1650 Cedar Avenue,undefined
[4] Montreal,undefined
[5] Canada H3G 1A4 e-mail: rosenthl@rad.mgh.mcgill.ca; Tel.: +1-514-934-8081,undefined
[6] Fax: +1-514-934-8370,undefined
[7] Division of Orthopaedic Surgery,undefined
[8] Jo Miller Orthopaedic Research Center,undefined
[9] McGill University Health Center,undefined
[10] Montreal,undefined
[11] Canada,undefined