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BACKGROUND Exposure to medium or high doses of ionizing radiation is a known risk factor for cancer in children. The extent to which low-dose radiation from natural sources contributes to the risk of childhood cancer remains unclear. OBJECTIVES In a nationwide census-based cohort study, we investigated whether the incidence of childhood cancer was(More)
Childhood leukaemia (CL) may have an infectious cause and population mixing may therefore increase the risk of CL. We aimed to determine whether CL was associated with population mixing in Switzerland. We followed children aged <16 years in the Swiss National Cohort 1990–2008 and linked CL cases from the Swiss Childhood Cancer Registry to the cohort. We(More)
BACKGROUND Little is known about follow-up care attendance of adolescent survivors of childhood cancer, and which factors foster or hinder attendance. Attending follow-up care is especially important for adolescent survivors to allow for a successful transition into adult care. We aimed to (i) describe the proportion of adolescent survivors attending(More)
BACKGROUND Many studies have observed space-time clustering of childhood leukemia (CL) yet few have attempted to elicit etiological clues from such clustering. We recently reported space-time clustering of CL around birth, and now aim to generate etiological hypotheses by comparing clustered and nonclustered cases. We also investigated whether the(More)
BACKGROUND Previous studies on occupational exposures in parents and cancer risks in their children support a link between solvents and paints with childhood leukaemia. Few studies have focused specifically on benzene. OBJECTIVES To examine whether parental occupational exposure to benzene is associated with an increased cancer risk in a census-based(More)
The population mixing hypothesis proposes that childhood leukaemia (CL) might be a rare complication of a yet unidentified subclinical infection. Large population influxes into previously isolated rural areas may foster localised epidemics of the postulated infection causing a subsequent increase of CL. While marked population growth after a period of(More)
We thank Leo Kinlen for his interest in our recent study which provided little evidence for an association between childhood leukaemia and population mixing (PM) [1]. Kinlen argues that the degree of PM observed in our study did not qualify as large rural PM and that therefore his hypothesis could not be tested. The population increases in our highest(More)
BACKGROUND Regular follow-up care is essential for childhood cancer survivors, but we know little about physicians' experience with it. We aimed to describe: (1) involvement of Swiss physicians in follow-up care; (2) content of follow-up care provided; (3) problems encountered; and (4) additional resources needed. MATERIALS AND METHODS Within this(More)
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