[1] St Johns Med Ctr, Dept Med, Detroit, MI USA
[2] Beaumont Hosp, Dept Med, Detroit, MI USA
[3] Wayne State Univ, Dept Otolaryngol, Detroit, MI 48201 USA
[4] Wayne State Univ, Dept Med, Detroit, MI 48202 USA
[5] Henry Ford Hosp, Dept Med, Detroit, MI 48202 USA
[6] Wayne State Univ, Dept Pathol, Detroit, MI 48202 USA