Correction: Strategies for the hypothermic preservation of cell sheets of human adipose stem cells

• Sara Freitas-Ribeiro, 
• Andreia Filipa Carvalho, 
• Marina Costa, 
• Mariana Teixeira Cerqueira, 
• Alexandra Pinto Marques, 
• Rui Luís Reis, 
• Rogério Pedro Pirraco