[1] Univ Edinburgh, Muir Maxwell Epilepsy Ctr, Ctr Clin Brain Sci, Edinburgh, Midlothian, Scotland
[2] Univ Liverpool, Inst Syst Mol & Integrat Biol, Pharmacol & Therapeut, Liverpool, Merseyside, England
[3] Univ Edinburgh, Usher Inst, Edinburgh, Midlothian, Scotland
[4] Victoria Univ Wellington, Sch Hlth, Wellington Fac Hlth, Wellington, New Zealand
[5] Royal Hosp Children & Young People, Edinburgh, Midlothian, Scotland