[1] Penn State Univ, Sch Med, Hershey, PA 17033 USA
[2] Wellspan Chambersburg & Waynesboro Pa Hosp, Chambersburg, PA USA
[3] Univ Mississippi, Med Ctr, Jackson, MS 39216 USA
[4] Lewis Univ Romeoville, Romeoville, IL USA
[5] Manipal Univ, Kasturba Med Coll, Manipal, Karnataka, India
[6] Johns Hopkins Aramco Healthcare, Specialty Internal Med & Qual Dept, Infect Dis, Dhahran, Saudi Arabia
[7] Indiana Univ Sch Med, Dept Med, Infect Dis Div, Indianapolis, IN 46202 USA
[8] Johns Hopkins Univ, Sch Med, Dept Med, Infect Dis Div, Baltimore, MD 21205 USA