| article html file updated | 7 February 2020 18:05 CET | Update | https://www.mdpi.com/2079-6412/6/4/62 |
| article html file updated | 22 September 2019 05:47 CEST | Update | N/A |
| article html file updated | 4 May 2019 22:23 CEST | Update | N/A |
| article html file updated | 28 December 2016 08:35 CET | Update | N/A |
| article html file updated | 16 November 2016 13:21 CET | Original file | N/A |
| article xml uploaded. | 16 November 2016 13:19 CET | Update | https://www.mdpi.com/2079-6412/6/4/62/xml |
| article xml uploaded. | 16 November 2016 13:19 CET | Update | N/A |
| article xml uploaded. | 16 November 2016 13:19 CET | Original file | N/A |
| article pdf uploaded. | 16 November 2016 13:19 CET | Version of Record | https://www.mdpi.com/2079-6412/6/4/62/pdf |