1. DermatoCenter Clinic, Ciudad del Este, Paraguay
2. School of medicine, University of São Paulo, São Paulo, Brazil
3. Microbiología Clinica- Centro Nacional del Quemado y Cirugías Recostructivas, Asunción, Paraguay
4. Microbiología Clínica - Díaz Gill Medicina Laboratorial, Asunción, Paraguay
5. Department of Ophthalmology, Ludwig-Maximilians-University of Munich, Munich, Germany
6. Director of Díaz Gill Medicina Laboratorial, Asunción, Paraguay