Author information

Mohammad Sami Walid, MD, PhD, (top, left) is a Research Fellow at the Medical Center of Central Georgia, Macon, GA. E-mail: mswalid@yahoo.com.
Mohammed Ajjan, MD, (top, right) is an Internist at Georgia Neurosurgical Institute, Macon, GA.
E-mail: taragajjan@yahoo.com.
Kim W Johnston, MD, FACS, (bottom, left) is an Associate Professor of Surgery at Mercer University School of Medicine and at Georgia Neurosurgical Institute, Macon, GA. E-mail: drjohnston@aol.com.
Joe Sam Robinson Jr, MD, FACS, (bottom, right) is Professor of Surgery at Mercer University School of Medicine, Chairman of the Surgery Department at the Medical Center of Central Georgia, and President of Georgia Neurosurgical Institute, Macon, GA. E-mail: info@ganeurosurg.org.