1. Research Department, Gaza Provincial Research Nucleus, Provincial Health Directorate, Xai-Xai – Gaza Province, Mozambique
2. Business Administration and Management, Gwaza Muthini Higher Institute of Management and Entrepreneurship, Vila de Marracuene, Maputo Province, Mozambique
3. Clinical Research, Tinpswalo Association, Vincentian Association to Fight AIDS and TB, F2C3+JPR Av. De Trabalho, Chokwe, Gaza Province, Mozambique
4. Department of Clinical Medicine, Alicante General University Hospital and University Miguel Hernandez de Elche, Avinguda de la Universitat d’Elx, Elche, Alicante, Spain