[1] Univ N Carolina, Dept Infect Prevent, Med Ctr, Chapel Hill, NC USA
[2] Univ N Carolina, Sch Publ Hlth, Dept Epidemiol, Chapel Hill, NC USA
[3] Univ N Carolina, Sch Med, Div Infect Dis, Chapel Hill, NC USA
[4] Univ N Carolina, Sch Med, Dept Psychiat, Chapel Hill, NC USA
[5] Univ N Carolina, Med Ctr, Dept Inpatient Psychiat Serv, Chapel Hill, NC USA