1. Department of Anatomical Sciences, School of Medicine; St George's University; Grenada West Indies
2. Department of Anatomy; Varmia and Mazuria University; Olsztyn Poland
3. Department of Internal Medicine; Lincoln Medical and Mental Health; Bronx New York
4. Department of Internal Medicine; SUNY Upstate; Syracuse New York
5. Children Hospital; Pediatric Neurosurgery; Birmingham Alabama