BUG: bring back seriesAttributes
BUG: bring back seriesAttributes

will need to remove later, and put all attributes within at the top level, but
too much work to do it now (need to change JSON handler, web app, converter ...)

QIICR/dcmqi,QIICR/dcmqi,QIICR/dcmqi,QIICR/dcmqi,QIICR/dcmqi