[1] Dartmouth Hitchcock Med Ctr, Dept Pathol & Lab Med, Emerging Diagnost & Invest Technol, Lebanon, NH 03766 USA
[2] Dartmouth Hitchcock Med Ctr, Dept Dermatol, Lebanon, NH 03766 USA
[3] Dartmouth Coll, Dept Epidemiol, Geisel Sch Med, Hanover, NH 03755 USA
[4] Dartmouth Coll, Program Quantitat Biomed Sci, Geisel Sch Med, Hanover, NH 03755 USA
[5] Massachusetts Gen Hosp, Dept Pathol, Boston, MA USA