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Flaviane Romani Fernandes Svartman is Associate Professor of Philology and Portuguese Language in the Department of Classical and Vernacular Letters at the Faculty of Philosophy, Letters and Human Sciences at the University of São Paulo, São Paulo, Brazil. Her research addresses the study of phonetics and phonology of Portuguese with a special focus on prosody, the syntax-phonology interface and the comparison between African, Brazilian and European varieties of Portuguese.

Nádia Barros is a PhD student in Linguistics at The School of Arts and Humanities, University of Lisbon, and a teacher of English as a Foreign Language at the Center for Languages and Culture, Polytechnic Institute of Lisbon. She was a member of the research project InAPoP - Interactive Atlas of the Prosody of Portuguese, where she did research on prosodic variation and intonation.

Vinícius G. Santos is a postdoctoral researcher at the Department of Classical and Vernacular Languages and Literatures, University of São Paulo, Brazil. He obtained his PhD in 2019, focused on the phonological analysis of some prosodic features of the Angolan Portuguese as spoken in Libolo. His research interests include various aspects of prosody and intonational variation in African varieties of Portuguese.

Joelma Castelo is Lecturer at the Center of Human Sciences and Education of Universidade Estadual do Paraná, Brazil, and postdoctoral researcher at the University of São Paulo, Brazil. Her research focuses on the phonetics and phonology of intonational variation in Portuguese. Her most relevant publications are Variação entoacional dos enunciados interrogativos, The yes–no question contour in Brazilian Portuguese (Castelo & Frota, 2017), and The perception of yes–no questions across varieties of Brazilian Portuguese (Castelo et al., 2018).