article in Medpage:
http://www.medpagetoday.com/Endocrinology/Menopause/55930?xid=nlmptDHE2016-02-01;eun=g848991d0r
original article by Aedo Socrates et al ;University of Chile Santiago ·;Departamento de Obstetricia y Ginecología www.researchgate.net/profile/AedoSocrates