Green in Sherpa: Author's Pre-print:   author can archive pre-print (ie pre-refereeing) 
Author's Post-print:   author can archive post-print (ie final draft post-refereeing) 
Publisher's Version/PDF:   author cannot archive publisher's version/PDF LL 7.4.14. Requested (Mekala) Accepted v. & Permission, 14.4.14-MMM, Mekala (phone request) requested her Name to be shown as: Mekala, Gayathri Devi in all citations, 15.4.14.  Accepted v. fulltext & permission received, 6.5.14-MMM. Supporting documentation added to dark upload - HD 3/5/18