1. Department of Biostatistics, University of Alabama at Birmingham , Birmingham, AL , US
2. Department of Occupational Therapy, University of Alabama at Birmingham , Birmingham, AL , US
3. Iowa City Veterans Affair Health Care System , Iowa City, IA , US
4. American Society for Clinical Laboratory Science , Reston, VA , US
5. Emory University Hospital , Atlanta, GA , US
6. Clinical and Diagnostic Science, University of Alabama at Birmingham , Birmingham, AL , US