University of Virginia Hospital, Department of Neurological Surgery, Charlottesville, VA, USA.
Associate Professor of Clinical Neurosurgery and Radiology, University of Miami Miller School of Medicine, University of Miami Hospital, Jackson Memorial Hospital, Miami Childrens Hospital, Miami, FL, USA.
Department of Surgery of Creighton University, Omaha, NE, USA;
Director of the Trauma Center and Trauma Program and Creighton University Hospital, Omaha, NE, USA;
Surgery Adjunct, Uniform Services University of the Health Sciences (USUHS), F. Edward Hebert School of Medicine, Bethesda, MD, USA.
National Academy of Medical Sciences (NAMS) of Ukraine, Ukraine;
North-East Scientific Center of Ministry of Health and NAMS of Ukraine, Ukraine;
Department of Clinical Pharmacology, Kharkiv National Medical University, Ukraine.
Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon; Department of Biological & Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, Qatar.
Department of Cardiothoracic Surgery, Golden Jubilee National Hospital, Clydebank, Glasgow, UK; Department of cardiovascular Science Tissue engineering and regenerative medicine lab. Center for Integrated Research, University Campus Bio-Medico of Rom, Italy.
Deputy Director of Bourakovsky Institute for cardiac surgery, Head of the Department of Detoxication and Endoscopy of Bakoulev Scientific Center for Cardiovascular Surgery of Ministry of Health of the Russian Federation.