1. Global Health and Tropical Medicine, WHO Collaborating Center on Health Workforce Policy and Planning, and Institute of Hygiene and Tropical Medicine, NOVA University of Lisbon, Rua da Junqueira 100, Lisbon 1349-008, Portugal
2. Duke Doctor of Physical Therapy Division, Duke University Medical Center, and Duke Global Health Institute, Duke University, Durham, North Carolina, United States
3. Global Health and Tropical Medicine, WHO Collaborating Center on Health Workforce Policy and Planning, and Institute of Hygiene and Tropical Medicine, NOVA University of Lisbon