1. Department of Internal Medicine, Yale University School of Medicine, New Haven, CT 06510, USA
2. Department of Radiology, Yale University School of Medicine, New Haven, CT 06510, USA
3. Independent Researcher, Guaynabo, PR 00934, USA
4. Department of Neurology, Zeenat Qureshi Stroke Institute, University of Missouri, Columbia, MO 65211, USA
5. Department of Neurology, Yale University School of Medicine, New Haven, CT 06510, USA