LL 23.2.16. Sherpa (for F1000 research) Journal: F1000Research (ISSN: 2046-1402, ESSN: 2046-1402) RoMEO: This is a RoMEO green journal Listed in: DOAJ as an open access journal Author's Pre-print: green tick author can archive pre-print (ie pre-refereeing) Author's Post-print: green tick author can archive post-print (ie final draft post-refereeing) Publisher's Version/PDF: green tick author can archive publisher's version/PDF General Conditions: Publisher's version/PDF may be used Creative Commons Attribution License Published source must be acknowledged. Full-text of published version added 8/3/16