Lessons learned from a home-based exercise program for adolescents with pre-existing chronic diseases during the COVID-19 quarantine in Brazil Isabela Gouveia Marques; Camilla Astley; Sofia Mendes Sieczkowska; Amanda Yuri Iraha; Tathiane Christine Franco; Fabiana Infante Smaira; Bruna Caruso Mazzolani; Luana Cristina do Amaral Miranda; Bianca Pires Ihara; Rosa Maria R. Pereira; Ligia Bruni Queiroz; Clovis Artur Silva; Bruno Gualano;

Medical conduct and knowledge about physical activity counseling in the largest hospital complex in Latin America Débora Borowiak Reiss; Ítalo Ribeiro Lemes; Hamilton Roschel; Bruno Gualano;

Emotional, hyperactivity and inattention problems in adolescents with immunocompromising chronic diseases during the COVID-19 pandemic Reinan T. Campos; Livia Lindoso; Renan A. de Sousa; Alberto C. Helito; Bianca P. Ihara; Claudia A.A. Strabelli; Levi M.V. Paradelas; Beatriz O.L. Carneiro; Maria Paula R. Cardoso; Jean Paulo V. de Souza; Marianna R. de M. Freire; Camilla Astley; Moisés F. Laurentino; Izabel M. Buscatti; Katia Kozu; Nadia E. Aikawa; Adriana M.E. Sallum; Juliana C.O. Ferreira; Juliana R. Simon; Vivianne S.L. Viana; Ligia B. Queiroz; Bruno Gualano; Hamilton Roschel; Rosa Maria R. Pereira; Ricardo K. Toma; Andréia Watanabe; Patricia M. Grangeiro; Caio B. Casella; Sylvia C. Farhat; Guilherme V. Polanczyk; Lucia Maria A. Campos; Clovis A. Silva;