1. Public Psychiatry Fellow, Boston Medical Center, Boston, Massachusetts, USA
2. Duke University School of Medicine, Durham, North Carolina, USA
3. Clinical Informationist, The Welch Medical Library, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
4. Professor of Psychiatry and Behavioral Sciences, and of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
5. Assistant professor,Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA