About the Authors

Antonio Tadeu Cheriff dos Santos

Contributed equally to this work with: Antonio Tadeu Cheriff dos Santos, Rildo Pereira da Silva, Maria Lúcia Magalhães Bosi, Maria de Fátima Batalha de Menezes, Marcia Marília Vargas Fróes Skaba

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

cheriff@inca.gov.br

Affiliation Population Research Division, Nucleus of Research and Qualitative Studies, National Cancer Institute, Rio de Janeiro, Brazil

Rildo Pereira da Silva

Contributed equally to this work with: Antonio Tadeu Cheriff dos Santos, Rildo Pereira da Silva, Maria Lúcia Magalhães Bosi, Maria de Fátima Batalha de Menezes, Marcia Marília Vargas Fróes Skaba

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Supervision, Validation, Writing – original draft, Writing – review & editing

Affiliation Population Research Division, Nucleus of Research and Qualitative Studies, National Cancer Institute, Rio de Janeiro, Brazil

Liz Maria de Almeida

Roles Data curation, Project administration, Supervision, Validation, Writing – original draft, Writing – review & editing

‡ LMA and GN also contributed equally to this work.

Affiliation Division of Population Research, National Cancer Institute, Rio de Janeiro, Brazil

Maria Lúcia Magalhães Bosi

Contributed equally to this work with: Antonio Tadeu Cheriff dos Santos, Rildo Pereira da Silva, Maria Lúcia Magalhães Bosi, Maria de Fátima Batalha de Menezes, Marcia Marília Vargas Fróes Skaba

Roles Conceptualization, Formal analysis, Investigation, Methodology, Validation, Writing – original draft, Writing – review & editing

Affiliation Laboratory of Qualitative Research and Evaluation in Health, Federal University of Ceara, Fortaleza, Ceará, Brazil

Maria de Fátima Batalha de Menezes

Contributed equally to this work with: Antonio Tadeu Cheriff dos Santos, Rildo Pereira da Silva, Maria Lúcia Magalhães Bosi, Maria de Fátima Batalha de Menezes, Marcia Marília Vargas Fróes Skaba

Roles Conceptualization, Formal analysis, Investigation, Methodology, Validation, Writing – original draft, Writing – review & editing

Affiliation Population Research Division, Nucleus of Research and Qualitative Studies, National Cancer Institute, Rio de Janeiro, Brazil

Marcia Marília Vargas Fróes Skaba

Contributed equally to this work with: Antonio Tadeu Cheriff dos Santos, Rildo Pereira da Silva, Maria Lúcia Magalhães Bosi, Maria de Fátima Batalha de Menezes, Marcia Marília Vargas Fróes Skaba

Roles Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation Population Research Division, Nucleus of Research and Qualitative Studies, National Cancer Institute, Rio de Janeiro, Brazil

Gustavo Nigenda

Roles Conceptualization, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

‡ LMA and GN also contributed equally to this work.

Affiliation National School of Nursing and Obstetrics, National Autonomous University of México, México City, México

Carlos André Moura Arruda

Roles Investigation, Writing – review & editing

Affiliation Laboratory of Qualitative Research and Evaluation in Health, Federal University of Ceara, Fortaleza, Ceará, Brazil

Cleoneide Paulo Oliveira Pinheiro

Roles Investigation, Writing – review & editing

Affiliation Laboratory of Qualitative Research and Evaluation in Health, Federal University of Ceara, Fortaleza, Ceará, Brazil

María Cecilia González-Robledo

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Centro de Investigación en Sistemas de Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, Mexico

Felícia Marie Knaul

Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

Affiliations Department of Public Health Sciences, University of Miami Miller School of Medicine, Coral Gables, Florida, United States of America, Institute for Advanced Study of the Americas, University of Miami, Coral Gables, Florida, United States of America, Programa Universalidad y Competitividad en Salud, Fundación Mexicana para la Salud, Mexico City, Mexico, Tómatelo a Pecho, Mexico City, Mexico

Competing Interests

I have read the journal policy and the author of this manuscript have the following potential conflicts: FMK has been receiving research funding and support through the Mexican Health Foundation since 2009 from multiple donors, including pharmaceutical companies like Roche, Pfizer, Novartis, Sanofi, GlaxoSmithKline Oncology and EMD Serono and travel support from Roche. FMK is president of Tomatelo a Pecho, A.C., a non-governmental institution that promotes early detection of breast cancer in Mexico and throughout Latin America and the Caribbean. This does not change our adherence to PLOS ONE policies for sharing data and materials. I, as the corresponding author and the other authors, declare no conflicts of interest.