Professor
Center for Immunology and Inflammation
The Feinstein Institute For Medical Research
United States of America
Researcher
Department of Psychology
Hampden–Sydney College
United States of America
Professor
Department of Pulmonary Medicine
Capital Medical University
China
Professor
Beijing Tongren Eye Center
Capital Medical University
China
Lecturer
Chest Diseases
Assuit University
Egypt
Lecturer
Chest Diseases
Assuit University
Egypt
Lecturer
Chest Diseases
Assuit University
Egypt