| article html file updated | 7 February 2020 18:22 CET | Update | https://www.mdpi.com/2079-9292/5/4/80 |
| article html file updated | 22 September 2019 06:21 CEST | Update | N/A |
| article html file updated | 4 May 2019 21:49 CEST | Update | N/A |
| article html file updated | 29 December 2016 11:07 CET | Update | N/A |
| article html file updated | 22 November 2016 09:59 CET | Original file | N/A |
| article xml uploaded. | 22 November 2016 09:58 CET | Original file | https://www.mdpi.com/2079-9292/5/4/80/xml |
| article pdf uploaded. | 22 November 2016 09:58 CET | Version of Record | https://www.mdpi.com/2079-9292/5/4/80/pdf |
