AUTHOR=Köllner Martin G. , Janson Kevin T. , Schultheiss Oliver C. TITLE=Commentary: Sexual Dimorphism of Facial Width-to-Height Ratio in Human Skulls and Faces: A Meta-Analytical Approach JOURNAL=Frontiers in Endocrinology VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2018.00227 DOI=10.3389/fendo.2018.00227 ISSN=1664-2392