Donald Krogstad, Tulane University (IMAGE) Tulane University Caption This is Dr. Donald Krogstad, senior author and professor of tropical medicine at Tulane University School of Public Health and Tropical Medicine. Credit Tulane University/Paula Burch-Celentano Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.