School-age outcomes of children after perinatal brain injury: a systematic review and meta-analysis oleh Chris Gale, Cheryl Battersby, Philippa Rees, James Diviney, Caitríona Callan, Alastair Sutcliffe, Julian Gardiner, Karan Chadda, Fergus Harnden, Meriel Vaal, Shahad Sabti