[1] YALE UNIV, SCH MED, DEPT INTERNAL MED, DIV ENDOCRINOL, NEW HAVEN, CT 06511 USA
[2] YALE UNIV, SCH MED, DEPT INTERNAL MED, DIV ONCOL, NEW HAVEN, CT 06511 USA
[3] YALE UNIV, SCH MED, DEPT PATHOL, NEW HAVEN, CT 06511 USA
[4] VET ADM MED CTR, DEPT INTERNAL MED, West Haven, CT 06516 USA