[1] Mem Sloan Kettering Canc Ctr, Dept Surg, Head & Neck Serv, 1275 York Ave, New York, NY 10065 USA
[2] Mem Sloan Kettering Canc Ctr, Dept Med, Serv Endocrinol, 1275 York Ave, New York, NY 10021 USA
[3] VA Outcomes Grp, White River Jct, VT USA
[4] Dartmouth Inst Hlth Policy & Clin Practice, Hanover, NH USA