1. Rehabilitation Unit, Hospital Militar Central, Bogota, Colombia
2. Research Division, Hospital Militar Central, Bogota, Colombia
3. Rehabilitation Unit, Hospital Militar Central for pediatric oncology, Hospital Militar Central, Bogota, Colombia
4. Nursing school, Universidad Antonio Nariño Bogotá, Bogota, Colombia
5. Nursing School, Universidad Nacional de Colombia and Nursing School, Universidad Antonio Nariño, Bogota, Colombia