eHealth as an Aid for Facilitating and Supporting Self-management in Families With Long-term Childhood Illness - Development, Evaluation and Implementation in Clinical Practice

Inclusion Criteria

Inclusion Criteria (Intervention group): Legal guardians of children below four years of age who are hospitalised for: * reconstructive surgery for congenital malformations * cardiac surgery for CHD * premature birth * paediatric cancer and in treatment * are in need of nutritional supplements * are about to be discharged from the hospital * are able to communicate in the local language (Swedish in Sweden and Danish in Denmark) * signs informed consent For the Ethiopian arm: Adolescents, aged 15-19, living with HIV and currently enrolled in ART care for two years or less, being able to read the local language and willing to participate in the study will be eligible for the study. Inclusion Criteria (Control group): Legal guardians of children below four years of age who fulfil the intervention group inclusion criteria but: * do not want to use the e-device * not recruited for the intervention group * are recruited after the stipulated numbers for the intervention group are met For the Ethiopian arm: Adolescents, aged 15-19, living with HIV and currently enrolled in ART care for two years or less, being able to read the local language and willing to participate in the study will be eligible for the study. Exclusion Criteria: * Legal guardians of children fulfilling the inclusion criteria but where the child has complications or comorbidity which may affect the results of the study (as defined by the responsible medical physician) * The legal guardian refuses to sign informed consent. For the Ethiopian arm: Patients outside of the specified age and adolescents, who are in patient-department, and adolescents who cannot read.