https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-34 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-29 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-28 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-36 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-27 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-31 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-33 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-35 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-37 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-26 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-30 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-32 https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-12-38