1Department of Surgery, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, Room C-1079, New York, New York, USA
2Department of Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
3Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
4Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
5Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
The online version of the original article can be found at http://dx.doi/10.1007/s10350-007-9125-z.
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