Correction: Comparison between intra-articular ozone and placebo in the treatment of knee osteoarthritis: A randomized, double-blinded, placebo-controlled study

• Carlos César Lopes de Jesus, 
• Fânia Cristina dos Santos, 
• Luciana Maria Oliveira Bueno de Jesus, 
• Iara Monteiro, 
• Maria Sonia Sousa Castro Sant’Ana, 
• Virginia Fernandes Moça Trevisani