| article html file updated | 7 February 2020 17:43 CET | Update | https://www.mdpi.com/2079-6412/6/4/59 |
| article html file updated | 22 September 2019 05:07 CEST | Update | N/A |
| article html file updated | 4 May 2019 23:05 CEST | Update | N/A |
| article html file updated | 28 December 2016 08:35 CET | Update | N/A |
| article html file updated | 9 November 2016 09:00 CET | Original file | N/A |
| article xml uploaded. | 9 November 2016 08:58 CET | Update | https://www.mdpi.com/2079-6412/6/4/59/xml |
| article xml uploaded. | 9 November 2016 08:58 CET | Original file | N/A |
| article pdf uploaded. | 9 November 2016 08:58 CET | Version of Record | https://www.mdpi.com/2079-6412/6/4/59/pdf |
