Table S1. Delphi Participants by Country

Table S1. Delphi participants by country

Country Delphi panellist/ Delphi panellist/ Delphi panellist/ Delphi panellist/ Delphi panellist/ Delphi panellist/ Delphi Delphi Delphi Delphi Delphi Key opinion Key opinion Key opinion Key opinion Key opinion Key opinion panellist/ panellist/ panellist/ panellist/ panellist/ Key leader 1 leader 2 leader 3 leader 4 leader 5 leader 6 Key opinion Key opinion Key opinion Key opinion opinion leader 7 leader 8 leader 9 leader 10 leader 11

Scotland Consultant Nurse specialist Consultant Neonatal and Consultant child paediatrician. in paediatric paediatric paediatric neurologist Interest in training epilepsy, neurologist with neurosurgical non-medical experienced in interest in pharmacist persons in buccal and nasal epilepsy. community midazolam. Published author settings to Involved in in the subject administer rescue training and area medications guideline development

Wales Consultant Clinical nurse Senior university Consultant in Lead pharmacist paediatric specialist in lecturer in clinical emergency in neurosciences/ neurologist epilepsy. neurology and medicine working education and providing Responsible for neurosciences in in a large training at specialist services training focusing North Wales department in children’s to children in on acute seizures South Wales foundation trust South East Wales and rescue medication

Germany Head of Head of a Physician in a Senior consultant Head of a Paediatric Northern German hospital epilepsy at one of the university child Department of a Epilepsy Centre unit largest epilepsy neurology tertiary Epilepsy for children centers in department in mid centre in Germany Germany Southern Germany

Spain Neuro- Neuro- Neuro- Neuro- Neuro- Neuro- Neuro- Neuro- Neuro- Neuro- Neuro- paediatrician at a paediatrician at a physiologist at a paediatrician at a paediatrician and paediatrician at a paediatrician paediatrician paediatrician paediatrician paediatrician hospital in Madrid hospital in Madrid hospital in hospital in Toledo neurophysiologist hospital in at a hospital at a university at a hospital at a hospital at a university Valencia at a hospital in Barcelona in Córdoba hospital in in Mallorca in Vigo clinic in Barcelona Salamanca Pamplona

France Clinician Paediatric Clinician in south Clinician at a Child neurologist Head of the child Head of a Consultant in responsible for an neurologist in west France university hospital in a general neurology paediatric child epilepsy unit Paris with strong working on the and regional hospital in department in a neurology unit neurology unit working almost experience in the child neurology hospital receiving northern France Hospital, taking in northern in north Paris. exclusively with emergency unit 20% of the epileptic children and a Director of care of children France. children treatment of time. from Basse- a medico-social and adolescents PACS in children Normandie centre. with PACS. and adolescents. region. Country Delphi panellist/ Delphi panellist/ Delphi panellist/ Delphi panellist/ Delphi panellist/ Delphi panellist/ Delphi Delphi Delphi Delphi Delphi Key opinion Key opinion Key opinion Key opinion Key opinion Key opinion panellist/ panellist/ panellist/ panellist/ panellist/ Key leader 1 leader 2 leader 3 leader 4 leader 5 leader 6 Key opinion Key opinion Key opinion Key opinion opinion leader 7 leader 8 leader 9 leader 10 leader 11

Italy Director of an Neurologist, with Director of an Director of the Director of the Associate Director of the Director of Epilepsy Center. experience in Epilepsy Center, Paediatric Department of Professor of Center for the Complex Unit Author of epilepsy in adults. Coordinator of Neuropsychiatry Neurosciences Paediatrics. diagnosis and in a hospital guidelines on Researcher in the clinics for Unit. Daily and Neuro- Responsible for treatment of with both Convulsive Status field of epilepsy. epileptic patients consultancy rehabilitation. the University epilepsy. general and Epileptics in and clinics for activity for Center for the Center of paediatric ER. children. paediatric Paediatric ER. treatment of Paediatric epilepsy. epilepsy. Neurology.

Switz- Neuropaediatric Head of Division Medical Director Senior paediatric erland consultant; Also of of the Swiss neurologist and on regular duty in Neuropaediatrics epilepsy centre. epileptologist paediatric and Adult neurologist. responsible for emergency Developmental the special department. Medicine in a consultation of Children’s epileptology and University sleep at Hospital. Children’s Hospital.