Professor, University of Mississippi

Professor of Neurology, University of Cincinnati

Duke Clinical Research Institute

Professor of Neurology, University of Washington

Professor of Palliative Care and Policy, King's College London, Cicely Saunders Institute

Vanderbilt University School of Nursing

Professor of Medicine, Baylor College of Medicine

Professor of Ophthalmology & Epidemiology, University of Michigan

Universidad de Santiago de Chile and Universidad Autónoma de Chile

Kornhauser Research Fellow, The University of Sydney