[1
]
Institute of Biomedicine, Research Area for Women's Health, Facultad de Ciencias Médicas,
Universidad Católica de Santiago de Guayaquil, Guayaquil, Ecuador. Electronic address:
peter.chedraui@cu.ucsg.edu.ec.
[2
]
Department of Obstetrics and Gynecology, Facultad de Medicina, Lozano Blesa University
Hospital, Universidad de Zaragoza, Zaragoza, Spain.
[3
]
Institute of Biomedicine, Research Area for Women's Health, Facultad de Ciencias Médicas,
Universidad Católica de Santiago de Guayaquil, Guayaquil, Ecuador.
[4
]
Department of Clinical and Experimental Medicine, Division of Obstetrics and Gynecology,
University of Pisa, Pisa, Italy.