Comparison study of treatment given to children with asthma by a nurse practitioner, a general practitioner or a pediatrician. (Vergelijkende studie met betrekking tot de controle van kinderen met astma door de ?nurse practitioner?, de huisarts of de kinderarts)

INTERVENTION: Children were randomly assigned to one of the three follow up arm and at baseline, one year & two year a variety of outcome measures were collected. 1. Management by general practitioner 2. Management by paediatrician 3. Management by asthma nurse CONDITION: Pediatric asthma ; Respiratory ; Asthma PRIMARY OUTCOME: 1. Airway hyper responsiveness ; 2. PD20 methacholine; Measured at baseline, one year & two year SECONDARY OUTCOME: 1. Forced expiratory volume in one second (FEV1) before and after bronchus dilatation with beta‐2‐agonist; 2. Exhaled nitric oxide (NO) ; 3. Asthma Control Questionaire; 4. Health economics; 5. Prescribed medication; 6. Quality of Care assessment by completing the QUOTE‐CNSLD instrument by parents ; 7. Completion of Likert scale by the children INCLUSION CRITERIA: 1. Children 6‐16 years 2. Moderate asthma as defined by the guideline of the dutch pediatric pulmonologists or diagnosed as asthma by their general practioner (GP) and on prophylactic treatment with inhaled corticosteroid (ICS)