| article html file updated | 7 February 2020 09:39 CET | Update | https://www.mdpi.com/2079-9292/5/2/28 |
| article html file updated | 5 May 2019 13:54 CEST | Update | - |
| article html file updated | 27 March 2019 06:29 CET | Update | - |
| article html file updated | 1 July 2016 10:49 CEST | Update | - |
| article html file updated | 2 June 2016 14:19 CEST | Original file | - |
| article xml uploaded. | 2 June 2016 14:17 CEST | Original file | https://www.mdpi.com/2079-9292/5/2/28/xml |
| article pdf uploaded. | 2 June 2016 14:17 CEST | Version of Record | https://www.mdpi.com/2079-9292/5/2/28/pdf |
