person Amanda Schöffel Sehn
*
schoolUniversidade Federal do Rio Grande do Sul, Porto Alegre, RS, BrasilUniversidade Federal do Rio Grande do SulBrasilPorto Alegre, RS, BrasilUniversidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
person Natália Luz Feeburg
schoolUniversidade Federal do Rio Grande do Sul, Porto Alegre, RS, BrasilUniversidade Federal do Rio Grande do SulBrasilPorto Alegre, RS, BrasilUniversidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
person Cesar Augusto Piccinini
schoolUniversidade Federal do Rio Grande do Sul, Porto Alegre, RS, BrasilUniversidade Federal do Rio Grande do SulBrasilPorto Alegre, RS, BrasilUniversidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
person Rita de Cassia Sobreira Lopes
schoolUniversidade Federal do Rio Grande do Sul, Porto Alegre, RS, BrasilUniversidade Federal do Rio Grande do SulBrasilPorto Alegre, RS, BrasilUniversidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
person* Mailing address: Rua Ramiro Barcelos, 2600, Sala 108 - Bairro Santa Cecília, Porto Alegre - RS, Brazil 90035-003. Phone: (51) 3308-5066. E-mail: amanda_sehn@hotmail.com.
Authors’ Contributions
Substantial contribution in the concept and design of the study: Amanda Schöffel Sehn and Natália Luz Feeburg concepted and designed the study supervised by Rita de Cassia Sobreira Lopes.
Contribution to data collection: Cesar Augusto Piccinini and Rita de Cassia Sobreira Lopes concepted the project and contributed supervising the data collection.
Contribution to data analysis and interpre-tation: Amanda Schöffel Sehn and Natalia Luz Feeburg analyzed and interpreted the data.
Contribution to manuscript preparation: Amanda Schöffel Sehn and Natalia Luz Feeburg prepared the manuscript and wrote the text.
Contribution to critical revision, adding intelectual content: All the authors contributed to the critical revision, especially, Rita de Cassia Sobreira Lopes and Cesar Augusto Piccinini.
Conflicts of interest
The authors declare that they have no conflict of interest related to the publication of this manuscript.