Blue in Sherpa: Author's Pre-print: cross author cannot 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: Author's post-print or Publisher's version/PDF on author's personal website immediately Author's post-print in Institutional Repository and PubMed Central after 12 months embargo Publisher's version/PDF can be used on author's personal website only Publisher copyright and source must be acknowledged Link to Publisher version (www.thieme-connect.com) must be included if article has been published online. -- Accepted v. requested 13.6.185-MMM