[1] Univ Alabama Birmingham, Sch Publ Hlth, Dept Epidemiol, Birmingham, AL 35294 USA
[2] Univ Alabama Birmingham, Sch Publ Hlth, Hlth Care Org & Policy, Birmingham, AL 35294 USA
[3] Univ Alabama Birmingham, Sch Med, Dept Med, Div Prevent Med, Birmingham, AL 35294 USA
[4] Univ Alabama Birmingham, Sch Med, Dept Med, Div Clin Immunol & Rheumatol, Birmingham, AL 35294 USA
[5] Baxalta US Inc, Dept Global Drug Safety, Cambridge, MA USA