aMedicine Service and Center for Surgical Medical Acute care Research and Transitions (C-SMART), Birmingham VA Medical Center, Birmingham, Alabama, USA
bDepartment of Medicine, USA
cDivision of Epidemiology at School of Public Health, University of Alabama, Birmingham, Alabama, USA
dDepartment of Orthopedic Surgery, Mayo Clinic School of Medicine, Rochester, Minnesota, USA
eDepartment of Health Science, University of Alabama, Tuscaloosa, Alabama, USA
Correspondence to Jasvinder A. Singh, MBBS, MPH, University of Alabama, Faculty Office Tower 805B, 510 20th Street S, Birmingham, AL 35294, USA Tel: +1 205 996 5885; fax: +1 205 996 9685; e-mail: [email protected]
