PT - JOURNAL ARTICLE AU - T.A. Kennedy TI - <em>Reply:</em> AID - 10.3174/ajnr.A6094 DP - 2019 Jun 06 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2019/06/06/ajnr.A6094.short 4100 - http://www.ajnr.org/content/early/2019/06/06/ajnr.A6094.full