1. Department of Gynecology and Obstetrics, Botucatu Medical School, São Paulo State University (UNESP), Botucatu, SP, Brazil.
2. Department of Public Health and Nursing, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.
3. Department of Physiotherapy and Occupational Therapy, School of Philosophy and Sciences, São Paulo State University (UNESP), Marilia, SP, Brazil.