Dr. Sergio Lopes Viana is a board certified musculoskeletal radiologist based in Brasília, Brazil and fellow of the Brazilian College of Radiology. He graduated with a degree in Medicine from the Universidade Federal do Piauí (Teresina) in 1995 and completed residencies in Internal Medicine at the Universidade Federal de Pernambuco (Recife, 1996-1997) and in Radiology at the Hospital de Base do Distrito Federal (Brasília, 1998-2000). He co-authored the books “Diagnóstico por imagem em reumatologia” (2007) and “Joint imaging in childhood and adolescence” (2013). His publications also include 5 book chapters and dozens of articles published in Brazil and abroad. He has also lectured extensively on musculoskeletal imaging as a guest speaker throughout Brazil.  Dr. Maria Custódia Machado Ribeiro is a board certified pediatric rheumatologist based in Brasília, Brazil and fellow of the Brazilian Society of Pediatrics. She graduated with a degree in Medicine from the Universidade de Brasília (Brasília) in 1974 and completed a residency in Pediatrics at the Hospital de Base do Distrito Federal (Brasília, 1975-1976), obtaining her Master’s degree in Pediatrics from the Universidade de Brasília (Brasília) in 2006. She co-authored the book “Joint imaging in childhood and adolescence” (2013) and has published a book chapter and several articles in Brazil and abroad.   Dr. Bruno Beber Machado is a board certified musculoskeletal radiologist based in Cachoeiro de Itapemirim, Brazil and fellow of the Brazilian College of Radiology. He graduated with a degree in Medicine from the School of Medicine at the Santa Casa de Misericórdia de Vitória (Vitória) in 1998 and completed a residency in Radiology at the Universidade Federal Fluminense (Niterói, 1999-2002), obtaining his Master’s degree in Radiology from the Universidade Federal do Rio de Janeiro (Rio de Janeiro) in 2002. He co-authored the book “Jointimaging in childhood and adolescence” (2013) and has published two book chapters and several articles in Brazil and abroad.