https://journalotohns.biomedcentral.com/articles/10.1186/s40463-016-0132-8 https://journalotohns.biomedcentral.com/articles/10.1186/s40463-016-0133-7 https://journalotohns.biomedcentral.com/articles/10.1186/s40463-016-0131-9 https://journalotohns.biomedcentral.com/articles/10.1186/s40463-016-0134-6