1. The American Speech-Language Hearing Association (ASHA), Speech-Language Pathology and Audiology, Rockville, Maryland, USA; member of Sociedad Internacional del Uso de Equipos en Fonoaudiología (SIEFO), Speech-Therapy, Pereira, Risaralda, Colombia.
2. Dysphagia Specialist, Orofacial motor Specialist, President of SIEFO, Pereira, Risaralda, Colombia.