Childhood adversity in parents of patients with pediatric multiple sclerosis.

O'Neill KA, Charvet L, George A, Waltz M, Casper TC, Benson L, Gorman M, Mar S, Ness J, Schreiner T, Waubant E, Weinstock-Guttman B, Wheeler Y, Ortiz R, Krupp LB, United States Network of Pediatric MS Centers