| article html file updated | 8 February 2020 21:42 CET | Update | https://www.mdpi.com/2079-9721/5/4/27 |
| article html file updated | 28 September 2019 14:47 CEST | Update | N/A |
| article html file updated | 2 May 2019 13:52 CEST | Update | N/A |
| article html file updated | 18 April 2019 11:31 CEST | Update | N/A |
| article html file updated | 2 January 2018 20:45 CET | Update | N/A |
| article html file updated | 20 November 2017 11:33 CET | Original file | N/A |
| article xml uploaded. | 20 November 2017 11:32 CET | Original file | https://www.mdpi.com/2079-9721/5/4/27/xml |
| article pdf uploaded. | 20 November 2017 11:32 CET | Version of Record | https://www.mdpi.com/2079-9721/5/4/27/pdf |
