1. Department of Physiology & Biophysics; Case Western Reserve University; Cleveland Ohio USA
2. Department of Neurological Surgery; Case Western Reserve University; Cleveland Ohio USA
3. Division of Neurosurgery; Department of Surgery; College of Medicine; Taipei Medical University; Taipei Taiwan
4. Drug Design & Development Section; Translational Gerontology Branch; Intramural Research Program; National Institute of Aging; Baltimore Maryland USA