1. Baylor College of Medicine; Nerve and Muscle Center of Texas; 6624 Fannin Street, #1670 Houston Texas 77030 USA
2. Department of Neurology; The University of Texas Health Science Center at Houston; Houston Texas USA
3. Therapeutic Concept Clinic; Houston Texas USA
4. Nerve and Muscle Center of Texas; Houston Texas USA
5. Division of Clinical and Translational Sciences, Department of Internal Medicine; The University of Texas Health Science Center at Houston; Houston Texas USA