Author initiated. Green in Sherpa: author can archive pre-print, post-print but cannot archive publisher's version/PDF  15/4/14 HD. Requested (Remco) Accepted v. & Permission, 17.4.14-MMM. Received 2 versions, wrong files (Publisher v. & Pre-print), requested again explaining version, & also waiting for permission 5.5.14-MMM. Supporting documentation added to dark upload - HD 31/5/18