Article Catheter-Related Infections Catheterization, Central Venous Catheters, Indwelling Central Venous Catheters Child, Preschool Cross Infection Extended infection control training programme Female Hand Hygiene Humans Infant Infection Control Intensive Care Units, Pediatric Interns Internship and Residency Malaysia Male Nosocomial bloodstream infection Paediatric intensive care unit Pediatrics Proportional Hazards Models adverse effects bloodstream infection central venous catheter central venous catheterization child cross infection education female