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S, Horstkotte MA, Kiel K, Knobloch JK-M: Genetic and Biochemical Analysis of Staphylococcus epidermidis Biofilm Accumulation. Meth Enzymol 2001, 336:215–239.PubMedCrossRef Authors’ contributions AS carried out experimental work and drafted the manuscript. FK designed and participated in experiments involving analysis of clinical strains. MK participated in experiments for 20-kDaPS isolation and helped to draft the manuscript. LH participated in experiments involving comparison of PIA and 20-kDaPS by immunofluorescence PAK5 and contributed to design of these experiments. TW participated in experiments involving comparison of PIA and 20-kDaPS by ELISA and contributed to design of these experiments. AD participated in the design of the study. GD contributed to design of phagocytosis experiments. NK contributed to design of phagocytosis experiments, structural elucidation, data interpretation and revised the manuscript. DM designed the study and experimental work involving comparison of PIA and 20-kDaPS, interpreted acquired data and revised the manuscript.