1. Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
2. Department of Therapeutic Radiology, Yale School of Medicine, New Haven, CT 06510, USA
3. Department of Chemistry, Physics and Atmospheric Science, Jackson State University, Jackson, MS 39217, USA
4. Department of Neurology, Yale School of Medicine, New Haven, CT 06510, USA
5. Department of Medicine, Yale School of Medicine, New Haven, CT 06510, USA
6. Center for Outcomes Research and Evaluation (CORE), Yale School of Medicine, New Haven, CT 06510, USA