Correction to: Journal of Orthopaedic Surgery and Research (2022) 17:311 https://doi.org/10.1186/s13018-022-03201-6


Following publication of the original article [1], the authors identified an error in the author’s name of Sophie Lecouturier. The correct author’s name is provided in this correction.


An error was identified in the following section,


Abstract:


… No difference was found at week 3, 6, and 8 …


This should be … No difference was found at week 4, 6, and 8 …


Methods:


… collagen I/III porcine derived membrane (Cartmaix, Matricel GmbH, Herzogenrath, Germany) …


This should be … collagen I/III porcine derived membrane (Cartimaix, Matricel GmbH, Herzogenrath, Germany)


… the membranes of a density per membrane of approximately 100,000 MSCs per cm2


This should be … the membranes of a density per membrane of approximately 100,000 chondrocytes per cm2


Afterwards, the membranes were dehydrated in an ascending alcohol series (5 min per cuvette) as follow: xylene (3×), 100% ethanol (2×), 96% ethanol, 80% ethanol, 70% ethanol, aqua dest. Subsequently the membranes were …


This should be … Afterwards, the membranes were dehydrated in a descending alcohol series. Subsequently the membranes were


Results:


… No difference was found at week 3, 6, and 8 …


This should be … No difference was found at week 4, 6, and 8 …


Figures 1, 2, 3 are wrong. We provide the corrected Figures 1, 2 and 3

Fig. 1
figure 1

Experimental set-up (N = 72)

Fig. 2
figure 2

Chondrocytes migration within the membrane

Fig. 3
figure 3

Chondrocytes proliferation within the membrane