1. Department of Neurological Surgery, Karolinska Institutet, Stockholm, Sweden
2. Department of Neurological Surgery, University of California, San Francisco, San Francisco, CA, USA
3. Department of Neurological Surgery, Barrow Neurological Institute, Phoenix, AZ, USA
4. Krieger School of Arts and Sciences, Advanced Academic Programs, Johns Hopkins University, NW, Washington D.C, USA
5. Department of Cardiothoracic Surgery, University of Maryland, Baltimore, MD, USA
6. United States Environmental Protection Agency, Arlington, VA, USA
7. Emeritus Professor of Toxicology, Carcinogenesis, and Teratogenesis, West Lafayette, IN, USA
8. CNN Headquarters, New York, NY, USA