title: Message from the editors.
authors.forename: Michael G
authors.initials: MG
authors.lastname: Sarr
authors.forename: Andrew L
authors.initials: AL
authors.lastname: Warshaw
mesh_terms: D000818:Animals; D003585:Cell Biology; D002460:Cell Line; D005260:Female; D006801:Humans; D008297:Male; D023421:Models, Animal; D008954:Models, Biological; D010827:Physiology; D012727:Sex Characteristics