1. Associate Professor, The Ohio State University, Department of Family Medicine, Columbus, OH, USA. lswallace@live.com
2. Assistant Professor, University of Tennessee Graduate School of Medicine, Preston Medical Library, Knoxville, TN, USA
3. Professor, University of Tennessee Graduate School of Medicine, Preston Medical Library, Knoxville, TN, USA
4. Doctoral Student, University of Tennessee College of Social Work, Knoxville, TN, USA
5. Associate Professor, Oregon Health & Science University, Department of Family Medicine, Portland, OR, USA
6. Professor, University of Arizona, Department of Family and Community Medicine, Tucson, AZ, USA