Table 1.

Patient cohort details

	Sex/age (years)	Pathology
Intracranial tumour
1	F/8	Anaplastic astrocytoma
2	M/7	Primitive neuroectodermal tumour
3	M/10	Glioblastoma multiforme
4	M/11	High grade glioma
5	F/9	Glioblastoma multiforme
6	M/8	Glioblastoma multiforme
7	M/15	Anaplastic astrocytoma
8	M/11	Astrocytoma
Extracranial tumour
9	M/7	Ganglioneuroblastoma
10	M/13	Spindle cell sarcoma
11	F/12	Ganglioneuroblastoma
12	M/14	Rhabdomyosarcoma
13	M/15	Sacral myxopapillary ependymoma
14	M/12	Intra-abdominal primitive neuroectodermal tumour
15	M/6	Neuroblastoma
16	M/13	Rhabdomyosarcoma
17	M/14	Neuroendocrine tumour