Corrigendum to "A controlled clinical crossover trial of exercise training to improve cognition and neural communication in pediatric brain tumor survivors" [Clin. Neurophysiol. 131 (2020) 1533–1547]. Issue 9 (September 2020) - Cox, Elizabeth; Bells, Sonya; Timmons, Brian W.; Laughlin, Suzanne; Bouffet, Eric; de Medeiros, Cynthia; Beera, Kiran; Harasym, Diana; Mabbott, Donald J.