Table 1.

Area of collagen in percentage (%) on samples fixed upon collection and after 20 min incubation with enriched medium.

	Collagen area fraction (%)
	Fixed upon collection	Fixed after medium enrichment
Patient A	0.00	19.50
Patient B	0.00	6.68
Patient C	0.00	50.23
Patient D	5.77	17.78
Patient E	0.00	17.78
Patient F	0.00	0.00
Patient G	2.87	7.46

Values in %μm².