“Omissions of qualified women scientists from major meeting programs continue to occur despite a surge in articles indicating persistent gender-discriminatory practices in hiring and promotion, and calls for gender balance in conference organizing committees..”
Link : http://www.nature.com/ni/journal/v18/n5/full/ni.3707.html
Related article :
Study: Accomplished female scientists often overlooked
https://scienmag.com/study-accomplished-female-scientists-often-overlooked/