Leonardo, Sofia, Katharina Requião Barretto Bezerra, Thiago Ramos Grigio, Carla Darrás Ismael, Letícia Araujo Pinholato, Alisson Pugliesi, Romelia Barba Bernal, Manasa Kotte, Cristina Lemos Barbosa Furia, Natália Prado Boris, Sara Saeed Ibrahim Mohamed, Vivian Henriques do Amaral, Luís Fábio Botelho, Franciely Jesus Guedes, Michelle Menon Miyake, Maria Fe Velarde-Alvarez, Aline Zimmermann de Azambuja, and Antonio Vaz de Macedo. 2021. “Protocol for a Phase II, Multicenter, Open-Label, Randomized Controlled Trial to Compare the Efficacy of Gamification Using Nintendo Switch Ring Fit Adventure Game Versus Standard Exercise in the Treatment of Fibromyalgia”. Principles and Practice of Clinical Research 7 (2):37-43. https://doi.org/10.21801/ppcrj.2021.72.4.